水すい平へい尾び翼よくMeaningsNoun1. tailplane; horizontal stabilizer; horizontal stabiliserKanji used水water平flat尾tail翼wingPitch accentすいへいびよくComposed of水すい平へいhorizontal; level; evenNa-adjective尾び翼よくtail (of an aircraft); empennage; tail assemblyNoun