centerline centerless • center line · · · Info · Definitions · Synonyms · Characters · · centerline · · Text Latin · · Script 10 · · Length 3 · · Syllables Definitions · · · (noun) a line that bisects a plane figure. Synonyms: center line. · · Noun Definition 1 Synonyms · · · center line · · Synonym 1 Characters · · 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 t latin small letter t U+0074