Crossword Genius

Seabird's utterly essential for a kebab (4)

Ross

I believe the answer is:

skua

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

'seabird's' is the definition.
(type of seabird)

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for skua that I've seen before include "Large predatory bird" , "Brownish sea bird" , "Arctic seabird" , "One preying on gulls" , "Predatory northern seabird" .)

I've seen this clue in the Sydney Morning Herald.
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.