amphibious

Capable of functioning on land or in water.

an amphibious vehicle

Most Dutch cities began on a terp or artificial mound to which the prehistoric amphibious folk rushed for refuge when floods rolled in.

Occurring on both land and water.

an amphibious attack

Taiwan’s navy has taken delivery of a new, domestically made amphibious warfare ship that can be used to land troops and bolster supply lines to vulnerable islands, part of a push by Taiwan’s President Tsai Ing-wen to achieve defence self-sufficiency.

Ambidextrous.