triphibian
adjective
- that can function, operate, or carry on warfare on land, at sea, or in the air
- ☆ designating an aircraft that can take off from, or land on, water, land, or snow and ice
See triphibian in American Heritage Dictionary 4
(trī-fĭbˈē-ən)
adjective Designed to operate on land, on water, or in air.
noun A triphibian aircraft.