蝶|ちょうchou[1]atamadaka (head-high)

1. nounbutterfly
   私は美うつくしい蝶ちょうを捕つかまえた。↗

   I caught a beautiful butterfly.

• Synonym蝶々ちょうちょうCasualSame insect as 「蝶」, but today it tends to sound childlike, as in nursery songs; in ordinary description 「蝶」 is the usual word.
• Synonym胡蝶こちょうWrittenA written, elegant name for 「蝶」, seen mainly in poetry, haiku and titles such as 「胡蝶の夢」; in daily speech people simply say 「蝶」.

「蝶」 is the standard word for butterfly in speech and writing. 「蝶々」 names the same insect but now tends to sound childlike, as in children's songs; 「胡蝶」 is an elegant literary name found in poetry and titles like 「胡蝶の夢」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 鱗翅りんし目め昆虫こんちゅうのうち、アゲハチョウ上じょう科かとセセリチョウ上じょう科かに属ぞくするものの総称そうしょう。