pinnigrade

[ pin-i-greyd ]

adjective
  1. moving by means of finlike parts or flippers, as the seals and walruses.

noun
  1. a pinnigrade animal.

Origin of pinnigrade

1
From the New Latin word pinnigradus, dating back to 1840–50. See pinna, -i-, -grade

Words Nearby pinnigrade

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

Scientific definitions for pinnigrade

pinnigrade

[ pĭnĭ-grād′ ]


  1. Walking by means of finlike organs or flippers, as seals and walruses.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.