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1. Biology Living or able to live both on land and in water.
2. Able to operate both on land and in water: amphibious tanks.
3. Relating to or organized for a military landing by means of combined naval and land forces.
4. Of a mixed or twofold nature.

[From Latin amphibius, from Greek amphibios; see amphibian.]

am·phib′i·ous·ly adv.
am·phib′i·ous·ness n.
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 ?
The natural resources-rich Caspian Basin will eventually be amphibiously linked with the South Asian states.
These authors differed in many points of their Christian humanism, from the free-thinking MacDonald to the doctrinal Tolkien, but they all saw humanity as a type of creature "amphibiously physical and metaphysical" (47), caught between the spiritual realm and worldly cares.
His topics are the poet as thinker and the thinker as poet, space: the final frontier, the epistemology of poetry: fields of force, poetics and politics: surviving amphibiously, the place of writing and the writing of place, and translations: the voice of the other.