meclizine meckelectomy • meclizine hydrochloride · · · Info · Definitions · Synonyms · Characters · · meclizine · · Text Latin · · Script 9 · · Length 3 · · Syllables Definitions · · · (noun) an antihistamine (trade name Antivert) used to treat or prevent motion sickness. Synonyms: meclizine hydrochloride, Antivert. · · Noun Definition 1 Synonyms · · · meclizine hydrochloride · · Synonym 1 antivert · · Synonym 2 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 m latin small letter m U+006D n latin small letter n U+006E z latin small letter z U+007A