acinus Meaning, Definition & Usage

  1. noun one of the small drupes making up an aggregate or multiple fruit like a blackberry
  2. noun one of the small sacs or saclike dilations in a compound gland

WordNet

Ac"i*nus noun
Etymology
L., grape, grapestone.
Wordforms
plural Acini
Definitions
  1. (Bot.) (a) One of the small grains or drupelets which make up some kinds of fruit, as the blackberry, raspberry, etc. (b) A grapestone.
  2. (Anat.) One of the granular masses which constitute a racemose or compound gland, as the pancreas; also, one of the saccular recesses in the lobules of a racemose gland. Quain.

Webster 1913