What is "acinous"

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] ||

a. (alternative spelling of acinose English)

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