Top card in a suit (3)
I believe the answer is:
ace
(Other definitions for ace that I've seen before include "SERVE?] that's non-returnable" , "High card" , "Great" , "Good; service; card" , "Best type of tennis serve" .)
I believe the answer is:
ace
(Other definitions for ace that I've seen before include "SERVE?] that's non-returnable" , "High card" , "Great" , "Good; service; card" , "Best type of tennis serve" .)