concealer definition by American Heritage Dictionary
- One that conceals.
- A facial cosmetic used to cover blemished skin.
Variant of conceal
- to put out of sight; hide
- to keep from another's knowledge; keep secret
Origin: Middle English concelen ; from Old French conceler ; from Classical Latin concelare, to hide ; from com-, together plush celare, to hide ; from Indo-European base an unverified form el, to hide, conceal from source hall, hull, Classical Greek kalyptein