Vessel's crew initially removed from another ... (4)

I believe the answer is:

raft

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

'vessel's' is the definition.
(I've seen this before)

I can't explain the remainder of the clue.

(Other definitions for raft that I've seen before include "Travel on river, in a way" , "Flat floating structure used as boat" , "A flat float" , "Primitive boat" , "Floating log structure; large amount" .)

I've seen this clue in The Independent.

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.