adjective
- located, carried on, or used under the surface of the sea: undersea life.
adverb
- underseas.
adjective, adverb Also: underseas (ˌʌndəˈsiːz)
- below the surface of the sea
1610s, from under + sea.
adjective
adverb
adjective, adverb Also: underseas (ˌʌndəˈsiːz)
1610s, from under + sea.