デコレーションケーキ LinksSentence search for デコレーションケーキSentence search for デコレーション・ケーキEdit in JMdict Noun1. decorated cake; fancy cakeWasei, word made in Japan, From English “decoration cake”. Wasei (word made in Japan)Other formsデコレーション・ケーキ Discussions Log in to talk about this word.