Pronunciation: (trī-fib'ē-un), [key] Mil.
1. skilled in combat equally on land, sea, and in the air.
2. (of an aircraft) equipped to take off from land, water, snow, or ice.
1. a person who is triphibian.
2. a triphibian airplane.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.