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(Botany) the first shoot developing from the plumule of a germinating grain seed
[C17: from obsolete akerspire, from aker ear2 + spire sprout, spire1; the modern form is influenced by acro-]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
the first sprout appearing in the germination of seed.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
acrospire- The first leaf that sprouts from a germinating seed.
See also related terms for sprout.
Farlex Trivia Dictionary. © 2012 Farlex, Inc. All rights reserved.