empty glume
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glume — [glo͞om] n. [ModL gluma < L, husk < base of glubere, to peel, flay: see CLEAVE1] either of the two empty sterile bracts at the base of a grass spikelet, or a similar structure on the spikelets of sedges … English World dictionary
glume — noun Etymology: New Latin gluma, from Latin, hull, husk; akin to Latin glubere to peel more at cleave Date: 1789 a chaffy bract; specifically either of two empty bracts at the base of the spikelet in grasses … New Collegiate Dictionary
