noun, verb ·Rare ·Advanced level

Definitions

Noun

1. 1
   The sprout at the end of a seed when it begins to germinate.

Verb

1. 1
   To put forth the first sprout.

Synonyms

All synonyms

budburgeon

Etymology

acro- + spire

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.