What is the meaning of the word "oarlock"?

Oarlocks are essential for traditional rowing and are found on all types of rowboats, from small fishing boats to competitive rowing shells. They play a critical role in the effectiveness of the rowing by allowing precise control and efficient transfer of energy.

Definitions:

A device that attached to the side of a boat to hold the oars in place while rowing. NOUN
- The carved wooden oarlocks added a touch of elegance to the traditional rowboat.
A fulcrum for the oar, allowing the rower to leverage their strokes more effectively as they propel the boat. NOUN
- The creaking of the oarlocks filled the air as the rowers propelled the boat forward.
A holder attached to the gunwale of a boat that holds the oar in place and acts as a fulcrum for rowing. NOUN
- The sound of the oarlocks echoed across the tranquil lake, breaking the stillness of the dawn.
The notch, fork, or other device on the gunwale of a boat, in which the oars rest in rowing. NOUN
- The worn leather straps of the oarlocks needed replacing, but still held the oars securely.