triphibian

tri·phib·i·an

 (trī-fĭb′ē-ən)
adj.
Designed to operate on land, on water, or in air.
n.
A triphibian aircraft.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
I may have known I'd never get my triphibian atomicar, but I never expected a smartphone, either.