Crossword Genius

Ignition device in vessel (7)

Ross

I believe the answer is:

lighter

I believe this is a double definition.

'ignition device' is the first definition.
(device for igniting or lighting something)

'vessel' is the second definition.
(lighter is a kind of vessel)

'in' acts as a link.

(Other definitions for lighter that I've seen before include "Flat-bottomed boat" , "Boat for heavy loads and fire igniter" , "Ship to shore boat" , "more blonde" , "Cargo barge; smoker's accessory" .)

I've seen this clue in The Times.
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