The Collaborative International Dictionary
Nucule
Nucule \Nu"cule\ (n[=u]"k[-u]l), n. [L. nucula a small nut.] (Bot.) Same as Nutlet.
Wiktionary
nucule
n. 1 (context rare English) A section of a compound fruit; a nutlet; a small nut. 2 The oogonium of a charophyte.