The Collaborative International Dictionary
Corcule
Corcle \Cor"cle\ (k[^o]r"k'l), Corcule \Cor"cule\ (-k[-u]l), n. [L. corculum a little heart, dim. of cor heart.] (Bot.) The heart of the seed; the embryo or germ. [Obs.]
Wiktionary
corcule
n. (context botany obsolete English) The heart of the seed; the embryo or germ.