• WordNet 3.6
    • adj amphibious operating or living on land and in water "amphibious vehicles","amphibious operations","amphibious troops","frogs are amphibious animals"
    • adj amphibious relating to or characteristic of animals of the class Amphibia
    • ***
Webster's Revised Unabridged Dictionary
    • Amphibious Having the ability to live both on land and in water, as frogs, crocodiles, beavers, and some plants.
    • Amphibious Of a mixed nature; partaking of two natures. "Not in free and common socage, but in this amphibious subordinate class of villein socage."
    • Amphibious Pertaining to, adapted for, or connected with, both land and water. "The amphibious character of the Greeks was already determined: they were to be lords of land and sea."
    • ***
Century Dictionary and Cyclopedia
    • amphibious Living both on land and in water; habitually alternating between land and water.
    • amphibious Of or pertaining to the Amphibia; amphibian. The most completely amphibious animals are those which do not undergo complete metamorphosis, or which possess lungs and gills simultaneously, being thus capable of both aërial and aquatic respiration. Amphibious is, however, rare in this sense, amphibian being the usual technical term in zoology.
    • amphibious Of a mixed nature; partaking of two natures: as, an amphibious breed.
    • ***


Webster's Revised Unabridged Dictionary
Gr. 'amfi`bios living a double life, i. e., both on land in water; 'amfi` + bi`os life


In literature:

The creature of which we were in search is amphibious, and suckles its young like the whale.
"The Wanderers" by W.H.G. Kingston
Strange beasts and amphibious men attack the Greeks.
"The Flourishing of Romance and the Rise of Allegory" by George Saintsbury
Sixteen miles southwest of Berlin, "that amphibious Potsdam" of Carlyle holds out manifold attractions by land and water ways.
"In and Around Berlin" by Minerva Brace Norton
The main theatre is where the amphibious power wishes to make it so.
"Gallipoli Diary, Volume 2" by Ian Hamilton
That night I took the ship down into the hills nearest the pyramid, an out-of-the-way dry spot where the amphibious natives would never go.
"The Repairman" by Harry Harrison
The offspring of man, in that locality, may be regarded as in some measure amphibious.
"The Modern Scottish Minstrel, Volumes I-VI." by Various
Just then the loud booming of a cannon drowned the voice of the amphibious creature.
"The Tiger Hunter" by Mayne Reid
TOM was now quite amphibious.
"The Water-Babies" by Charles Kingsley
It, moreover, is amphibious, quite as much so as the tapir, and is found only near the banks of rivers.
"Popular Adventure Tales" by Mayne Reid
The creatures are perfectly amphibious; they don't care who sees them, and their forms are perfect.
"The Greville Memoirs" by Charles C. F. Greville

In poetry:

As all amphibious creatures do,
I live in land and water too:
To good and evil equal bent,
I'm both a devil, and a saint.
"The Believer's Riddle; or, the Mystery of Faith" by Ralph Erskine
Here joyous roam a wild amphibious race,
With sullen woe display'd in every face;
Who, far from civil arts and social fly,
And scowl at strangers with suspicious eye.
"The Village: Book I" by George Crabbe

In news:

War Game Finds Gaps in Navy, Marine Amphibious Ops.
The multipurpose amphibious assault ship USS Bonhomme Richard (LHD 6) was certified for well deck operations April 26, following two days of ship-to-shore maneuvers off the coast of Southern California.
Sailors assigned to amphibious assault ship USS Bonhomme Richard practice for the San Diego Padres opening day flag ceremony.
Marines held a full-scale amphibious beach assault as part of exercise Steel Knight.
Iwo Jima Amphibious Ready Group performing training exercises in the Mediterranean.
Gibbs begins production of Quadski amphibious ATV.
Amphibious vehicle _ part ATV, part Jet Ski _ to go on sale soon in US.
Amphibious vehicles could soon be zooming out of James Bond's garage -- or pond -- and into yours.
A one-person all-terrain vehicle that doubles as a personal watercraft -- is being billed by its makers as the first high-speed, commercially available amphibious vehicle.
DETROIT (AP) — Amphibious vehicles could soon be zooming out of James Bond's garage — or pond — and into yours.
The San Diego-based Peleliu Amphibious Ready Group, along with Camp Pendleton's 15th Marine Expeditionary Unit, arrived in the country of Timor-Leste on Wednesday.
War Game Finds Gaps in Navy, Marine Amphibious Ops.
DARPA floats crowdsourcing to develop amphibious vehicle.
Just shy of her first birthday, Grace Caroline Sims, the daughter Hayley and Brandon Sims, both Navy lieutenants, was baptized aboard the amphibious dock landing ship.
When this video was first discovered, Producer Steve was sure that someone had finally invented the first amphibious motorcycle .

In science:

Benelli, D. (2007), ―Amphibious modular robotic astrobiology‖, Unmanned Systems Technology IX, Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series, 6561. p. 65611S.
The Cyborg Astrobiologist: Testing a Novelty-Detection Algorithm on Two Mobile Exploration Systems at Rivas Vaciamadrid in Spain and at the Mars Desert Research Station in Utah
For the limiting case of complete flooding of all tori, the corresponding eigenstates were called amphibious .
Universality in the flooding of regular islands by chaotic states