(きご)

きご
noun
seasonal word
1. seasonal word
A word or phrase associated with a particular season, used as a requirement in traditional haiku poetry.
Haiku require a seasonal word.
(さくら)(はる)季語(きご)です。
Cherry blossoms are a spring seasonal word.
Without a seasonal word, it doesn't count as haiku.

季語(きご) is a word that indicates a specific season, required in traditional 俳句(はいく) (haiku) and 連歌(れんが) (linked verse).

Seasonal categories

Related words