I. (ˈ)trī|fibēən noun
( -s )
Etymology: tri- + -phibian (as in amphibian, n.)
1. : a person and especially a military commander who is triphibian
2. : a triphibian airplane
II. adjective
Etymology: tri- + -phibian (as in amphibian, adjective)
1.
a. : adept at war alike on land, at sea, and in the air
b. : designed for or equipped to operate from land, water, snow, or ice as well as in the air
a triphibian airplane
2. : triphibious 1
a triphibian military operation