Plural: acinuses
ETYM Latin, grape, grapestone. One of the small drupes making up an aggregate or multiple fruit like a blackberry. Berry which grows in clusters.
acinaciform · acinoform · acinus · ACK · ack-ack · ackee · ack-emma · ackers
Plod loze.
One of the small sacs or saclike dilations in a compound gland.