1. one of the two empty bracts at the base of a grass spikelet
Usage: botanical

Examples

• The botanist examined the glumes to identify the grass species.
• Each wheat spikelet has two glumes protecting the florets.
• The glumes were carefully removed to study the grain structure.
• Students learned to distinguish between glumes and lemmas in their botany class.
• The researcher measured the length of the glumes for classification purposes.