[f. CRAB sb.1]
1. The Glasswort, Salicornia herbacea, a marine plant common in salt-marshes. ? Obs.
1597. Gerarde, Herbal, II. cxlvii. 429. The herbe is also called … Kali articulatum, or iointed Glassewoort … in English Crab Grasse, and Frog grasse.
1861. Miss Pratt, Flower. Pl., IV. 285. Glasswort is sometimes called … Crab-grass.
2. The Knot-grass. (Britten and Holland.)
3. In U.S. A species of grass, Panicum sanguinale; also other allied species.
1881. G. W. Cable, Mad. Delphine, viii. 45. In its old walks … crab-grass had spread.
1885. ‘C. E. Craddock’ (Miss Murfree), in Harper’s Mag., Dec., 133/2. A field in which crab-grass had grown in the place of the harvested wheat.
