Wordnet 3.0
ADJECTIVE (1)
1. 
 pertaining to one of the small sacs (as in a compound gland); 
[syn: acinar, acinous, acinose, acinic]
WordNet (r) 3.0 (2006):
acinic
    adj 1: pertaining to one of the small sacs (as in a compound
           gland) [syn: acinar, acinous, acinose, acinic]