'manna grass' definitions:
Definition of 'manna grass'
From: WordNet
noun
Any of several moisture-loving grasses of the genus Glyceria having sweet flavor or odor [syn: manna grass, sweet grass]
Definition of 'manna grass'
From: GCIDE
- manna grass \manna grass\ n. (Bot.), Any of several tall slender grasses of the genus Glyceria. They have long loose panicles, have a sweet flavor or odor, and grow in moist places. Nerved manna grass is {Glyceria nervata}, and Floating manna grass is Glyceria fluitans. [1913 Webster + WordNet 1.5]