triphibious

[trahy-fib-ee-uh s]

adjective

employing or involving land, naval, and air forces in a combined operation.

Also triphibian.

Origin of triphibious

First recorded in 1940–45; tri- + (am)phibious

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for triphibious

triphibious

adjective

(esp of military operations) occurring on land, at sea, and in the air

Word Origin for triphibious

C20: from tri- + (am) phibious

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012