ACROSPIRE
Noun
acrospire (plural acrospires)
(botany) The sprout at the end of a seed when it begins to germinate.
Verb
acrospire (third-person singular simple present acrospires, present participle acrospiring, simple past and past participle acrospired)
To put forth the first sprout.
Source: Wiktionary
Ac"ro*spire, n. Etym: [Gr. (Bot.)
Definition: The sprout at the end of a seed when it begins to germinate;
the plumule in germination; -- so called from its spiral form.
Ac"ro*spire, v. i.
Definition: To put forth the first sprout.
Source: Webster’s Unabridged Dictionary 1913 Edition