amphibian /aem'fibian; aem'fibian/ n 1 animal able to live both on land and in water, eg a frog. 兩棲動(dòng)物(如青蛙)。 2 aircraft designed to take off from and alight on either land or water. 兩棲飛機(jī); 水陸兩用飛機(jī)。 3 Hat-bottomed vehicle able to move in water and on land: 水陸兩用之平底車(chē)輛： (形容用法) ~ tank. 水陸兩用戰(zhàn)車(chē)。