よくかいちょう 翼開長 LinksSentence search for 翼開長Sentence search for よくかいちょうSentence search for 翼開張Kanji details for 翼, 開 and 長Edit in JMdict Noun1. wingspan (of a bird); wingspreadOrnithologyOther forms翼開張 【よくかいちょう】 Discussions Log in to talk about this word.