• Webster's Revised Unabridged Dictionary
    • a Delphinoid (Zoöl) Pertaining to, or resembling, the dolphin.
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Century Dictionary and Cyclopedia
    • delphinoid Pertaining to or having the characters of the Delphinidæ or Delphinoidea; like or likened to a dolphin.
    • n delphinoid One of the Delphinidæ or Delphinoidea; a dolphin, porpoise, or any other living toothed cetacean not a cachalot.
    • ***


Webster's Revised Unabridged Dictionary
L. delphinus, a dolphin + -oid,


In literature:

A large cetacean, belonging to the division of delphinoid or toothed whales.
"The Sailor's Word-Book" by William Henry Smyth