The aorta. …

(a) A quilted or padded jacket worn under the armor for comfort and protection; also, a decorative garment worn over the armor; (b) aketoun maker. …

The star Spica. …

A gourd-shaped vessel for making distillates, the so-called 'waters', a still. …

A disease of the skin and flesh characterized by local lesions; blak albaras, whit albaras. …

Caravansary, inn. …

A fine powder. …

bal (pelote) of aldaroun, trocisc (of) aldaroun, a kind of medicinal pellet or tablet of corrosive property. …

The star Aldebaran. …

Astron. A star, or pair of stars, marking one of the forepaws of the old constellation Leo. [For opinions as to identification, see F. N. Robinson's ed. of Chaucer, p.824.] …

sal alembroth, one of the 'salts' of the alchemists. …

confeccioun of alfilude, a compound medicine containing steel. …

A skin disease. …

A skin disease. …

(a) The surgical treatment of fractures and dislocations, bone-setting; (b) a fracture or dislocation. …

The star Algol. …

The star Procyon. …

Sirius, the Dog-star. …

The star Capella. …

Med. A kind of polyp or nasal ulcer. …

A plant of some kind said to be used medicinally and probably as an aromatic herb, likely identified with some member of the group comprising hyssop, marjoram, and thyme. …

An alkaline substance obtained from the calcined ashes of plants: soda (from sea plants), potash (from land plants); sal alkali(n. …

The plant alkanet Alkanna tinctoria or its root [used as a styptic and for coloring]. …

The ankle-bone or astragalus. …

The Koran. …

The winter cherry (Physalis alkekengi). …

Mineral pitch, native asphalt. …

Sulphur. …

A revolving rule, or index, attached to the back of the astrolabe. …

A (Saracen) grandee. …

The name given to the great astronomical treatise of Ptolemy; also applied to other astron. works. …

The star Arcturus. …

A set of astronomical tables. …

Small circles of the celestial sphere parallel to the horizon, parallels of altitude; on the astrolabe: circles marked on the plate under the rete indicating such parallels. …

A pointer on the rete of the astrolabe. …

The star Alnath (in Aries). …

The star Alphecca, or Gemma (in Corona Borealis). …

See quot. …

A bright star, said to rise in the sign Libra. …

A vessel used in sublimation and distillation, aludel. …

A prince or emir under the Sultan; any Saracen lord or chieftain; also, any heathen ruler or commander. …

A Eucharistic vestment: amice [a linen scarf worn over the head and the shoulders]. …

(a) Arabia; Fenix of Arabi; (b) an Arab; (c) the Arabic language; (d) an Arabian horse; (e) gomme (of) Arabi, gum Arabic. …

A callus (forming around a fractured bone). …

A urethral catheter. …

Astron. centre arin q.v. in centre n., 7.(b). …

A substance exuded around the fragments of a broken bone, the callus. …

Mercury. …

Planetary influence, or a planet as exerting influence. …

Crude borax, tincal. …

A heavy costly cloth (imported from the Near East). …

(a) Chess Elephant (the piece now called bishop); (b) used contemptuously of a person; (c) ?rubbish. …

(a) The practice of numbering or computing with Arabic numerals; [littera de] augrim, an Arabic numeral; (b) augrimes abece, algorism's ABC's, the Arabic numerals; augrim stone, a stone or counter……

Ambergris, or a perfume made of it; grei aumbre, aumbre oriental. …

(a) One of twenty-four arcs extending from the zenith to the horizon and meeting the horizon at right angles; the part of an astrolabe representing such an arc; (b) a section of the horizon between……

Alch. Mercury, quicksilver. …

A rose-red variety of spinel; a balas ruby; rubetus baleis [cp. French rubi balais]. …

The seminal ducts. …

Brown leather made from sheepskin. …

(a) Some species of Moringa; oil of ben, a medicinal oil made from this tree; (b) [?a different word, perhaps Latin been (Persian bahman), 'behen root, white or red' ] apparently identified with one……

The fruit of the common barberry Berberis vulgaris. …

A stone used as an antidote against poison, bezoar. …

Name given to several minerals; prob. borax, malachite, sodium carbonate, verdigris, and possibly others: (a) an ingredient in preparations for soldering metals and for fastening gold leaf; also, a……

In phrases denoting a type of sugar, orig. from Caffa in the Crimea: sugre (de) caffatin. …

The ankle bone, talus. …

(a) The ruler of a Mohammedan country; (b) caliphate; (c) ?a kind of ship. …

A kind of spice. …

Fruit of the carob tree Ceratonia siliqua. …

(a) The plant caraway (Carum carui); sed of carewei; (b) carewei sed, carewei sedes, caraway seed; (c) caraway seed. …

A type of large ship [orig. Spanish or Italian]. …

(a) The plant caraway (Carum carui); (b) caraway seed. …

(a) Camphor; (b) caumfre flour, poudre of caumfre, powdered camphor; oil of caumfre. …

Chess Checkmate! (said to the opponent when his king is cornered); saien chek-mat. …

(a) A set for playing chess, consisting of the chessmen and the board; -- usu. with article, occas. in pl. (as usually in ML); (b) the game of chess; game of the ches; (c) pleien at (the) ches [OF……

A (sleeveless) robe or cloak of some kind, apparently rather costly. …

(a) The arithmetical symbol for naught; (b) fig. something that has no value in itself, but enhances another's value. …

An ore of zinc, cadmia [see calamin]. …

(a) The outer bark of the cork oak; cork bark; (b) the cork oak (Quercus suber); cork tre. …

(a) The plant yielding cotton; (b) raw cotton, cotton fiber, cotton wool; cotton fiber spun into yarn or thread; candle-wicking of cotton; cotoun candel, candles made with cotton wicking; cotoun……

(a) Cloth dyed a deep purplish red with kermes; (b) attrib. & adj. made of such cloth; of a crimson color, crimson. …

A medicinal root; ?turmeric. …

(a) An interpreter who serves as a guide; (b) a Gymnosophist. …

A name for a difficult proposition in Euclid; a puzzle, dilemma; at dulcarnoun, at one's wit's end. [In quot. Pandarus confuses dulcarnon, usually applied to the 47th proposition of the first book……

(a) The effective agent in the alchemical production of gold and silver, a substance of transmutative power, the philosopher's stone; also, fig.; (b) the product of transmutation; a metal, ?brass or……

A section (of Avicenna's Canon). …

See quots. …

The wood of the Venetian sumac, used for dyeing yellow. …

The roots of various plants of the genera Alpinia (esp. A. galanga or A. officinarum), Kæmpferia (esp. K. galanga), Aristolochia (esp. A. rotunda), and Cyperus (esp. C. longus); also, any of these……

?Jasmine. …

The genet Genetta genetta; the fur of a genet. …

A small Spanish horse, a jennet. …

A giraffe. …

Surg. The jugular veins. …

The starred lizard (Agama stellio), hardim. …

(a) A game of chance played with dice; playing at hazard; table hasard, a table on which hazard is played; leien to (setten at) hasard, to risk (sth.), gamble (sth.) away; pleien at hasard; (b) chek……

A kind of Moslem fanatic [cp. MnE assassin]. …

A jar, a liquid measure smaller than a barrel. …

A syrup made of sugar and water and used by itself or with other ingredients for medicinal purposes. …

A loose-fitting jacket or smock. …

A tight tunic of varying length, often emblazoned, worn over (?or under) armor; also some kind of tunic resembling a jupon. …