Defn: A genus of cetaceans having a long, pointed, bony beak, usually two tusklike teeth in the lower jaw, but no teeth in the upper jaw.
XIPHODON
Xiph"o*don, n. Etym: [Gr. xi`fos a sword + (Paleon.)
Defn: An extinct genus of artiodactylous mammals found in the European Tertiary formations. It had slender legs, didactylous feet, and small canine teeth.
XIPHOID Xiph"oid, a. Etym: [Gr. xi`fos a sword + xiphoide.] (Anat.) (a) Like a sword; ensiform. (b) Of or pertaining to the xiphoid process; xiphoidian.
XIPHOIDIAN
Xiph*oid"i*an, a. (Anat.)
Defn: Xiphoid.
XIPHOPHYLLOUS
Xi*phoph"yl*lous, a. Etym: [Gr. xi`fos sword + (Bot.)
Defn: Having sword-shaped leaves.
XIPHOSURA
Xiph`o*su"ra, n. pl.
Defn: See Xiphura.