Crossword Genius

The ultimately early bird? (3)

Ross

I believe the answer is:

egg

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

'early bird?' is the definition.
(I've seen this in another clue)

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for egg that I've seen before include "Reproductive cell" , "Reproductive part" , "Hen fruit" , "Croque-madame ingredient" , "Quiche ingredient" .)

I've seen this clue in The Sun.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.