Grape seeds, e.g

• Raspberry drupelets, e.g
• Blackberry drupelets, e.g
• Currants, e.g.
• Raspberry drupelets
• Small drupes
• Berries
• Gland parts

Wiktionary Word definitions in Wiktionary
n. (en-irregular plural of: acinus )

WordNet Word definitions in WordNet
See acinus

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 ...