(US, Vietnam War, slang) A river craft outfitted with a high-pressure water cannon capable of destroying enemy encampments. / (vulgar, slang, derogatory) A rude, obnoxious, or contemptible person.

Synonym of boathouse

A small boat, usually made from aluminum or fiberglass and propelled by two motors, designed and equipped primarily for fishing for bass or other panfish.

(chemistry) an unstable chemical conformation of a six-membered single bonded carbon ring such as cyclohexane

(Canada, US) a small fast boat with a planing hull used to smuggle cigarettes to avoid taxation / a go-fast boat, a powerboat of the type similar to what is used to smuggle cigarettes

A fixed-winged seaplane with a hull, capable of landing on water, but (unless also equipped with wheels) not on land.

A boat fitted up for recovering lost cables, anchors, etc.

A boat used to mark the start line in a sailing race.

A kind of boat used to transport pilots between land and the inbound or outbound ships that they are piloting.

Alternative form of boathook