service line service industry • service magazine · · · Info · Definitions · Synonyms · Characters · · service line · · Text Common · · Latin · · Scripts 12 · · Length 3 · · Syllables Definitions · · · (noun) the back line bounding each end of a tennis or handball court; when serving the server must not step over this line. Synonyms: service line, baseline. · · Noun Definition 1 Synonyms · · · baseline · · Synonym 1 Characters · · space U+0020 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073 v latin small letter v U+0076