Crossword Genius

Move effortlessly by the sea (5)

Ross

I believe the answer is:

coast

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

'move effortlessly' is the definition.
(coasting is a kind of moving effortlessly)

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for coast that I've seen before include "float" , "Land beside the sea" , "Move easily without power" , "Land next to the sea" , "that goes all around the UK?" .)

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