Crossword Genius

Adder and when you’ll see one most often? (6)

Ross

I believe the answer is:

summer

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

'adder' is the definition.
(someone adding up or doing sums)

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for summer that I've seen before include "Beam" , "'Oh, the ...time is comin', and the leaves are sweetly bloomin'' (song)" , "Late singer" , "Adder" , "'. . . . . . time an' the livin' is easy' (song)" .)

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