[ak-ruh-spahyuh r]

noun Botany.

the first sprout appearing in the germination of grain; the developed plumule of the seed.

Origin of acrospire

1610–20; acro- + spire1; replacing akerspire, equivalent to aker (Old English æchir ear of grain) + spire Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for acrospire

Historical Examples of acrospire

British Dictionary definitions for acrospire



the first shoot developing from the plumule of a germinating grain seed

Word Origin for acrospire

C17: from obsolete akerspire, from aker ear ² + spire sprout, spire 1; the modern form is influenced by acro-
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