(1):

(n.) A grapestone.

(2):

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

(3):

(n.) 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.