What does 交代 mean?
交代 is a Japanese noun meaning “alternation, change, relief, relay, shift, substitution (sports, etc.), taking turns” in English. It is written as 交代 in kanji, こうたい in hiragana, and koutai in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
警備員は３時間毎に交代します。
The guards change every three hours.