(a) Math. The process of computing or reckoning; the art or science of reckoning; (b) astrol. the process of making a horoscope; the art or science of astrological computation; also, a computation in……

(a) The breaking (of an object); fracture (of a bone); (b) theol. the breaking or dividing of the Host; (c) math. an aliquot part of a unit, a fraction or subdivision; also, a mark indicating such a……