a little drupe, as one of the individual pericarps composing the blackberry.
Why Do We Call Them Berries?
The berry family is a linguistic invention particular to Germanic languages, like English. Other languages, like Spanish and French, do not combine the wide, diverse berry family into one group, but rather have very different words for blackberries, raspberries, blueberries, and strawberries.
Origin of drupelet
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a small drupe, usually one of a number forming a compound fruit
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012