Brief instant (5)
'brief instant' is the definition.
(both can mean a short amount of time; 'brief' asks for an abbreviation)
This is all the clue.
(Other definitions for trice that I've seen before include "In a -- means very quickly" , "Haul" , "Second" , "Next to no time" , "Short time" .)
'brief instant' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for sec that I've seen before include "Mo or min?" , "sort of function" , "(Of wines) dry" , "Dry, like wine" , "very short space of time" .)