cockboat

cock·boat

 (kŏk′bōt′)
n.
A small rowboat, especially one used to ferry supplies from ship to shore. Also called cockleboat.

[Middle English cokboot : cok, cockboat (from Anglo-Norman coque, probably ultimately from Latin caudica, from caudex, caudic-, tree trunk) + boot, boat; see boat.]

cockboat

(ˈkɒkˌbəʊt) or

cockleboat

n
(Nautical Terms) any small boat
[C15 cokbote, perhaps ultimately from Late Latin caudica dug-out canoe, from Latin caudex tree trunk]

cock•boat

(ˈkɒkˌboʊt)

n.
a small boat, esp. one used as a tender.
[1400–50; late Middle English cokboot, variant of cogboot <cog boat, ship]
References in classic literature ?
We have put to sea in a cockboat, but we are quite prepared to rough it.
245) a small vessel came, and four men were killed, which would tally, up to a point, with Tasman's visit--if the small vessel was Tasman's cockboat.
He preferred an independent statement of policy instead of appearing, in his words, as "a cockboat in the wake of a British man-of-war.