1.
palate cleanser; something to take away an aftertaste
Eating or drinking something to clear a lingering taste from the mouth, or the food or drink used for that purpose. Often used after a strong or unpleasant flavor, or between courses.
Literally "fixing the mouth." Used both for the act of clearing the palate and for the item eaten or drunk to do so. Commonly takes する: 口直しをする (to cleanse the palate).
Common collocations
Usage
Also used figuratively for something pleasant experienced to wash away a bad impression, e.g. watching a good film after a disappointing one.