Obs. [ad. L. centinōdia (herba) some unknown plant, f. centum hundred + nodus knot. Cf. F. centinode.] The plant Knotgrass (Polygonum aviculare).
[1578. Lyte, Dodoens, I. lxvii. 98. Knot grasse … The first kinde is called … in Shoppes Centumnodia.]
1611. Cotgr., Herbe nouée, Centinodie, Knotgrasse.
