Playing card (3)
'playing card' is the definition.
(I know this)
This is all the clue.
(Other definitions for ace that I've seen before include "Best type of tennis serve" , "SERVE?] that's non-returnable" , "High card" , "Excellent" , "One-spotted card" .)
'playing card' is the definition.
(I know this)
This is all the clue.
(Other definitions for ten that I've seen before include "PM's address, Downing St" , "Figure" , "Cardinal number" , "Base of decimal system" , "Dudley Moore/Bo Derek film" .)