A contrivance or arrangement serving as a fulcrum for an oar in rowing. It consists sometimes of a notch in the gunwale of a boat, sometimes of a pair of pins between which the oar rests on the edge of the gunwale, sometimes of a single pin passing through the oar, or of a metal fork or stirrup pivoted in the gunwale and suporting the oar; same as oarlock.

A device on the gunwale of a vessel on which an oar rests or swings.

A device on a boat's gunwale where the oar rests and swings; also called an "oarlock".

a holder attached to the gunwale of a boat that holds the oar in place and acts as a fulcrum for rowing

Another name for the oarlock.

A U-shaped hole cut in the gunwale of a small boat where the oars are placed.

a device which swivels on the end of the outrigger to support the oar

A Rowlock (British) or an Oarlock (US) is a device that attaches an oar to a boat. When a boat is rowed, the rowlock acts as a fulcrum, and, in doing so, the propulsive force that the rower exerts on the water with the oar is transferred to the boat by the thrust force exerted on the rowlock.