A genus of marine univalve shells; the harp shells; -- so named from kind of the shells, and their ornamental ribs.
A genus of mollusks, representative of household Harpidæ, having a comparatively wide aperture and ventricose cross-ribbed whorls; the harp-shells. There are many species, on most tropical seas. Lamarck, Jour. Soc. Hist. Nat., 1799. See cut under harp-shell.