[am-fib-ee-uh
s] 
| 1. | living or able to live both on land and in water; belonging to both land and water. |
| 2. | Also, amphibian. capable of operating on both land and water: amphibious vehicles. |
| 3. | of or pertaining to military operations by both land and naval forces against the same object, esp. to a military attack by troops landed by naval ships. |
| 4. | trained or organized to fight, or fighting, on both land and sea: amphibious troops. |
| 5. | combining two qualities, kinds, traits, etc.; of or having a mixed or twofold nature. |
| am·phib·i·ous (ām-fĭb'ē-əs) adj.
[From Latin amphibius, from Greek amphibios; see amphibian.] am·phib'i·ous·ly adv., am·phib'i·ous·ness n. |