Acinus

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Acinus \Ac"i*nus\ ([a^]s"[i^]*n[u^]s), n.; pl. {Acini}. [L.,
     grape, grapestone.]
     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.
            [1913 Webster]
  
     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]

From WordNet (r) 2.0 [wn]:

  acinus
       n 1: 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
       [also: {acini} (pl)]