Arrow grass

Ar´row grass`

n.

1.

(Bot.) An herbaceous grasslike plant (Triglochin palustre, and other species) with pods opening so as to suggest barbed arrowheads.

Thesaurus

Noun

1.

arrow grass - tufted perennial found in shallow water or marshland; sometimes poisons livestock Triglochin maritima genus Triglochin, Triglochin - perennial or annual bog or marsh plants; includes arrow grass bog plant, marsh plant, swamp plant - a semiaquatic plant that grows in soft wet land; most are monocots: sedge, sphagnum, grasses, cattails, etc; possibly heath