[gloom] 
| one of the characteristic chafflike bracts of the inflorescence of grasses, sedges, etc., esp. one of the pair of bracts at the base of a spikelet. |
| glume (glōōm) n. One of the two chaffy basal bracts of a grass spikelet. [Latin glūma, husk; see gleubh- in Indo-European roots.] |
