sea lane sea lamprey • sea language · · · Info · Definitions · Synonyms · Characters · · sea lane · · Text Common · · Latin · · Scripts 8 · · Length 2 · · Syllables Definitions · · · (noun) a lane at sea that is a regularly used route for vessels. Synonyms: seaway, sea lane, ship route, trade route. · · Noun Definition 1 Synonyms · · · seaway · · Synonym 1 ship route · · Synonym 2 trade route · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 l latin small letter l U+006C n latin small letter n U+006E s latin small letter s U+0073