1. noun /ˈkaɪˌæk/
a type of small boat, powered by the occupant or occupants using a double-bladed paddle in a sitting position
2. verb /ˈkaɪˌæk/
Kayaking is an Olympic sport.
b) to traverse a body of water by kayak.
On a dare, he kayaked the Harlem River in New York from Hells Gate to Spyten Duyvil.
Wikipedia foundation.