noun
going-out-of-business sale; closing-down sale
Refers to a sale held when a store is permanently closing. Common in retail contexts.
あの店は閉店セールで全品半額だ。
That store is having a closing-down sale with everything half off.
閉店セールの最終日に駆け込んだ。
I rushed in on the last day of the going-out-of-business sale.