とっとき
と
っ
と
き
Meanings
1
noun which may take the genitive case particle 'no', noun
usually written using kana alone
Something kept aside for later use; often used as とっときの (reserve, spare) modifying a noun.
Let's open the reserve wine.
I went to the party wearing my best (spare) clothes.
3
noun which may take the genitive case particle 'no', noun
ace up one's sleeve; trump card
usually written using kana alone
A secret advantage or resource kept hidden until needed; often used figuratively.
See also: とっておき
He is still hiding his final ace up his sleeve.
Play one's trump card in negotiations.