ulva, ae, f. [root or-, ol-; cf. origo],
sedge : Ulva conferva, Linn.; Plin. 16, 1, 1, § 4; 17, 23, 35, § 209; 21, 17, 68, § 111; Cato R. R. 37, 2; Col. 4, 13, 2; Verg. G. 3, 175; id. E. 8, 87; Ov. M. 4, 299; 6, 345; 8, 336; Hor. S. 2, 4, 42.
ulva ae, f 1 OL-, swamp-grass, sedge : palustris, V.: (aper) ulvis et harundine pinguis, H., O. ...
An Elementary Latin Dictionary
·noun A genus of thin papery bright green seaweeds including the kinds called sea lettuce. ...
Webster's Dictionary of the English Language