Mask (Forgotten Realms) definition

(1) Activity that tries to conceal something

"No mask could conceal his ignorance"

"They moved in under a mask of friendship"

(2) A covering to disguise or conceal the face

(3) A protective covering worn over the face

(4) A party of guests wearing costumes and masks

(5) Put a mask on or cover with a mask

"Mask the children for Halloween"

(6) Shield from light

(7) Cover with a sauce

"Mask the meat"

(8) Hide under a false appearance

"He masked his disappointment"