Blackberry, in botany

• Grape seed
• One of the small drupes making up an aggregate or multiple fruit like a blackberry
• One of the small sacs or saclike dilations in a compound gland

WordNet Word definitions in WordNet
n. one of the small drupes making up an aggregate or multiple fruit like a blackberry one of the small sacs or saclike dilations in a compound gland [also: acini (pl)]

Wikipedia Word definitions in Wikipedia
An acinus (plural, acini ; adjective, acinar or acinous ) refers to any cluster of cells that resembles a many-lobed " berry ", such as a raspberry ( acinus is Latin for "berry"). The berry-shaped termination of an exocrine gland , where the secretion ...

Wiktionary Word definitions in Wiktionary
n. 1 (context botany English) One of the small grains or drupelets which make up some kinds of fruit, as the blackberry, raspberry, etc. 2 (context botany English) A grape-stone. 3 (context anatomy English) One of the granular masses which constitute a ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Acinus \Ac"i*nus\ ([a^]s"[i^]*n[u^]s), n.; pl. Acini . [L., grape, grapestone.] (Bot.) One of the small grains or drupelets which make up some kinds of fruit, as the blackberry, raspberry, etc. A grapestone. (Anat.) One of the granular masses which constitute ...