raphideBot.|ˈreɪfaɪd| [a. F. raphide, f. stem of Gr. ῥαϕίς.] = raphis. 1884Bower & Scott De Bary's Phaner. 139 The elongated or spindle-shaped raphide-bearing sacs, which are common, e.g. in the Aroideæ.Ibid.Hanstein's raphide-containing sac-vessels.