Eskimo canoe (5)
I believe the answer is:
kayak
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">eskimo canoe</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for kayak that I've seen before include "Boat used by 23 Across" , "Inuit craft" , "Lightweight canoe" , "Type of canoe" , "Inuit canoe" .)