What does "amphibious" mean?

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. Hare.

Additional senses

  1. 2.Of a mixed nature; partaking of two natures. Not in free and common socage, but in this amphibious subordinate class of villein socage. Blackstone.

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