noun
Refers to a decorated egg associated with Easter celebrations.
子供たちは庭でイースターエッグを探した。
The children searched for Easter eggs in the garden.
Computing term for a hidden message, feature, or joke in software, games, or media.
このゲームには開発者が仕込んだイースターエッグがたくさんある。
This game has many Easter eggs planted by the developers.