living or able to live both on land and in water; belonging to both land and water.
Also, amphibian. capable of operating on both land and water:
of or relating to military operations by both land and naval forces against the same object, especially to a military attack by troops landed by naval ships.
trained or organized to fight, or fighting, on both land and sea:
combining two qualities, kinds, traits, etc.; of or having a mixed or twofold nature.
The strongest conceivable U.S. land or amphibious forces would not provide a military option.
America Doesn’t Need a Big Army Any More Bill Sweetman March 9, 2014
Detectives and city workers found the remains while they were aboard an amphibious vehicle with pontoons.
Shannan Gilbert Body Likely Found, New York Police Say Christine Pelisek December 12, 2011
Surfers today forecast waves using technology first developed to help with the timing of amphibious assaults.
Surfing Is Less Mystical and More High Tech Says a New Book Josh Dzieza July 31, 2013
The Duplex Drive (called DD) was one: an amphibious conversion which could be fitted to a normal Sherman tank.
Blood in the Sand: When James Jones Wrote a Grunt’s View of D-Day James Jones November 14, 2014
Lawmakers have tried to halt the French sale of the Mistral, an amphibious warship, to the Russian Navy.
Germany Helped Prep Russia for War, U.S. Sources Say Josh Rogin April 21, 2014
Those which could not climb and were not amphibious he placed in a cave, and closed and sealed it with wax.
An Introduction to Mythology Lewis Spence
Seals of amphibious nature, are either for the land or water.
Orthography Elmer W. Cavins
For the elevator is an amphibious institution, and flourishes only on the banks of navigable waters.
North America, Volume I (of 2) Anthony Trollope
But I well knew that these amphibious monsters can far outswim a man.
Ran Away to Sea Mayne Reid
The lances used by them were pointed with the teeth of these amphibious animals.
Celebrated Travels and Travellers Jules Verne
able to live both on land and in the water, as frogs, toads, etc
designed for operation on or from both water and land
relating to military forces and equipment organized for operations launched from the sea against an enemy shore
having a dual or mixed nature
1640s, from Greek amphibios “having a double life” (see amphibian). Of motor vehicles, from 1915.
adjective (of animal ova) showing complete but unequal cleavage after fertilization
any of a complex group of hydrous silicate minerals, containing chiefly calcium, magnesium, sodium, iron, and aluminum, and including hornblende, tremolite, asbestos, etc., occurring as important constituents of many rocks. Historical Examples Both are common alteration products of magnesian silicate minerals such as olivine, pyroxene, and amphibole. The Economic Aspect of Geology C. K. Leith […]
noun the free-swimming larva of certain sponges, which consists of a hollow spherical mass of cells some of which have flagella Historical Examples During the later periods of the amphiblastula stage a cavity appears in the granular cells dividing them into two layers. The Works of Francis Maitland Balfour, Volume II (of 4) Francis Maitland […]
equivocal; uncertain; changing; ambiguous.