bumboat

n. 小贩船

bum.boat

n.Nautical （名词）【航海】
A small boat used to peddle provisions to ships anchored offshore.
小卖艇：向在岸边抛锚的船只兜售货物的小船

来源：
Probably partial translation of Low German bumboot [ship`s boat]
可能为 低地德语 bumboot的部分翻译 [大船的小艇]
partial translation of Dutch dialectal bomschuit [small fishing boat]
荷兰方言 bomschuit的部分翻译 [小渔船]
bom [ship`s bottom] from Dutch bodem from Middle Dutch
bom [船的底部] 源自 荷兰语 bodem 源自 中古荷兰语
schuit [ship]
schuit [船]