meclizine hydrochloride meclizine • meclofenamate · · · Info · Definitions · Synonyms · Characters · · meclizine hydrochloride · · Text Common · · Latin · · Scripts 23 · · Length 7 · · Syllables Definitions · · · (noun) an antihistamine (trade name Antivert) used to treat or prevent motion sickness. Synonyms: meclizine, meclizine hydrochloride, Antivert. · · Noun Definition 1 Synonyms · · · meclizine · · Synonym 1 antivert · · Synonym 2 Characters · · space U+0020 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 y latin small letter y U+0079 z latin small letter z U+007A