The Collaborative International Dictionary of English v.0.48:

Acinose \Ac"i*nose`\, Acinous \Ac"i*nous\a. [L. acinosus, fr.
   acinus grapestone.]
   Consisting of acini, or minute granular concretions; as,
   acinose or acinous glands. --Kirwan.
   [1913 Webster]

WordNet (r) 3.0 (2006):

acinous
    adj 1: pertaining to one of the small sacs (as in a compound
           gland) [syn: acinar, acinous, acinose, acinic]