xiphoid adjective. ['zɪfɔɪd] M18.
[Greek xiphoeidēs, from xiphos sword: see -OID.]
Anatomy & Zoology. Sword-shaped; esp. designating an ensiform cartilage or bone.
xiphoid cartilage the xiphisternum in those animals where it is cartilaginous. xiphoid process (a) the xiphisternum; (b) the telson of a horseshoe crab.

■ xi'phoidal adjective pertaining to or constituting the xiphoid cartilage or bone E20.

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