Cloak (7)
'cloak' is the definition.
(I know that cloak is a more specific form of the action disguise)
This is all the clue.
(Other definitions for conceal that I've seen before include "Place out of sight" , "Keep out of sight" , "hush up!" , "'Hide, keep secret (7)'" , "Hide, cover" .)
'cloak' is the definition.
(I know that mantle is a type of cloak)
This is the entire clue.
(Other definitions for mantle that I've seen before include "Layer below earth's crust" , "A cloak, cover" , "Goes over light" , "Loose outer garment or covering" , "Gas lamp part; cloak" .)
(Other definitions for domino that I've seen before include "Piece with pips; Fats ---, R&B singer" , "one's spotted" , "Playing piece with spots" , "Eye-mask worn at a masquerade" , "Pipped playing tile" .)