(a) The outside covering of nuts, and certain fruits; (b) the cup of an acorn; (c) husk or chaff of grain; (d) a cocoon; (e) the carapace of a beetle. …

(a) A natural or man-made depression in the ground, hole, pit, ditch; cave; also fig.; also, an open excavation from which some mineral product is obtained or in which some industrial process is……

(a) An auger used in woodworking, a gimlet, wimble; also person.; axel-man wimble, a wheelwright’s wimble; frensh wimble, ?a specially adapted variety of wimble associated with French designs or……