1.
one's specialty, forte, go-to
Something a person is especially good at or known for, often a signature skill, dish, song, or trick.
Pronunciation
The reading おはこ is irregular. The kanji 十八番 can also be read じゅうはちばん, which is used more formally or in kabuki contexts.
Etymology
From kabuki theater. The Ichikawa family stored their eighteen best plays in a special box (箱), and these came to be called 十八番. The お is an honorific prefix.
Usage
Used casually to refer to someone's best skill, go-to karaoke song, signature dish, or any recurring behavior (sometimes humorous). The pattern ~は十八番だ is standard.
Related Words
Synonym:
得意 (good at, strong point)