|träpə|kālēən adjective
Usage: usually capitalized
Etymology: New Latin Tropicalia, marine realm including all tropical coral-reef seas (from Latin tropicus + Greek hals sea + New Latin -ia ) + English -an — more at tropic , salt
: of, relating to, being, or native to the marine biogeographic realm that includes all seas within the isocryme of 68° F and is characterized by the presence of reef-building corals