tailplane tail pit • tail plane · · · Info · Definitions · Synonyms · Characters · · tailplane · · Text Latin · · Script 9 · · Length 2 · · Syllables Definitions · · · (noun) the horizontal airfoil of an aircraft's tail assembly that is fixed and to which the elevator is hinged. Synonyms: horizontal stabilizer, horizontal stabiliser. · · Noun Definition 1 Synonyms · · · horizontal stabilizer · · Synonym 1 horizontal stabiliser · · Synonym 2 Characters · · a latin small letter a U+0061 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 p latin small letter p U+0070 t latin small letter t U+0074