- A type of small boat, powered by the occupant or occupants using a double-bladed paddle in a sitting position.
- (transitive) to traverse a body of water by kayak.
"On a dare, he kayaked the Harlem River in New York from Hell's Gate to Spyten Duyvil."
- (intransitive) to use a kayak, to travel or race in a kayak
"Kayaking is an Olympic sport."