a beam, spar, or framework projecting from or over a boat's side
舷外斜木;舷外支杆;舷外托座。
a float or secondary hull fixed parallel to a canoe or small ship to stabilize it
(防翻船用的)舷外浮材,舷外浮体。
a boat fitted with such a structure
带舷外浮体的小船。
a similar projecting support in another structure or vehicle
外支架;斜撑。
"mid 18th cent.: perhaps influenced by the obsolete nautical term