Pronunciation: (spī'hop"), [key]
—n., v., -hopped, -hop•ping. Animal Behav.
a. a vertical half-rise out of the water performed by a whale in order to view the surroundings.
b. a springing bounce in tall grasses performed by certain land mammals, as foxes and wolves, to view the surroundings.
to perform such a rise or bounce.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.