From Fresh Dictionary
English
Adjective
underwater
- of, relating to, designed for, growing, living or used beneath the surface of the water
- ((nautical{{#if:|, {{{2}}}{{#if:|, {{{3}}}{{#if:|, {{{4}}}{{#if:|, {{{5}}}{{#if:|, {{{6}}}{{#if:|, {{{7}}}{{#if:|, {{{8}}}{{#if:|, {{{9}}}}}}}}}}}}}}}}}}})) beneath the water line of a vessel
fr:underwater
ja:underwater