Crossword Genius

Drink: get one round ahead (3)

Ross

I believe the answer is:

lap

I believe this is a double definition.

'drink' is the first definition.
(lapping is a kind of drinking)

'get one round ahead' is the second definition.
(in motor racing, for example)

(Other definitions for lap that I've seen before include "Thighs, when seated" , "Round in a race" , "A circuit of a racecourse" , "Once around the track" , "One circuit of a course" .)

I've seen this clue in The Times.
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