Definition of "glume" []

• One of the two chaffy basal bracts of a grass spikelet. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The second glume is shorter than the third, membranous, 3 - to 5-nerved, rarely wanting."
• "The callus of the third glume is short, pointed and villous."
• "This prolonged rachilla sometimes bears a minute glume, which is of course rudimentary."