Paddled boat (5)
(Other definitions for kayak that I've seen before include "Small canoe - a palindrome" , "Small canoe used by Eskimo" , "Palindromic canoe used by eskimos" , "Lightweight canoe" , "Inuit boat" .)
'paddled boat' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for canoe that I've seen before include "Small boat for paddling" , "Simple boat" , "Light paddle-propelled boat" , "Narrow paddle boat" , "Light boat propelled with paddle" .)