seatbelt seat bath • seat belt · · · Info · Definitions · Synonyms · Characters · · seatbelt · · Text Latin · · Script 8 · · Length 2 · · Syllables Definitions · · · (noun) a safety belt used in a car or plane to hold you in your seat in case of an accident. Synonyms: seat belt. · · Noun Definition 1 Synonyms · · · seat belt · · Synonym 1 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 l latin small letter l U+006C s latin small letter s U+0073 t latin small letter t U+0074