Acinus
Pronunciation : Ac"i*nus
Part of Speech : n.; pl. Acini.
Etymology : [L., grape, grapestone.]
Definition : 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.)
Defn: 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.
Source : Webster's Unabridged Dictionary, 1913