Crossword Genius

Some drinks, like 100? (5)

Ross

I believe the answer is:

round

I'm a little stuck... Click here to teach me more about this clue!

'some drinks' is the definition.
(as in a round of drinks)

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for round that I've seen before include "Circular - spherical" , "Regular route for a sentry" , "balls are like this" , "Piece of boxing" , "Shaped like a circle" .)

I've seen this clue in The Times.
Want a hint initially instead of a full solution? Install my app