長呼 ちょうこ Meanings Noun, する verb lengthening a vowel (e.g. as in Kansai dialect) See also: 短呼 (たんこ). Noun long sound (esp. long vowel) Kanji 長 long. Read as チョウ. 呼 call. Read as コ. Word lists Linguistics Jinuma: Japanese Dictionary · Word lists