What is "acini"

Acinus \Ac"i*nus\ ([a^]s"[i^]*n[u^]s), n.; pl. Acini. [L., grape, grapestone.]

1. (Bot.)

   1. One of the small grains or drupelets which make up some kinds of fruit, as the blackberry, raspberry, etc.

   2. 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. [1913 Webster] ||

n. (en-irregular plural of: acinus)

1. n. one of the small drupes making up an aggregate or multiple fruit like a blackberry

2. one of the small sacs or saclike dilations in a compound gland

3. [also: acini (pl)]

See acinus