• Webster's Revised Unabridged Dictionary
    • n Ziphioid (Zoöl) See Xiphioid.
    • ***
Century Dictionary and Cyclopedia
    • ziphioid Resembling or related to a cetacean of the genus Ziphius.
    • n ziphioid Any member of the Ziphiidæ or Ziphiinæ. Also written xiphioid.
    • ***


In literature:

The stomach of the Ziphioids is extraordinarily complicated even for a Cetacean.
"The Cambridge Natural History, Vol X., Mammalia" by Frank Evers Beddard