A small oar is commonly referred to as a "paddle." Paddles are typically used in canoes and kayaks, allowing the person to propel and steer the vessel through the water. Unlike larger oars, which are often used with rowing boats, paddles are usually operated with a more direct motion by the user.
The middle part of an oar is called a LOOM
an oar pin is called thole
Macon
Oar
That's an oarlock.
An oar pin is commonly referred to as an "oarlock" or "oar socket." It is a device that holds the oar in place while allowing it to pivot for rowing. Oarlocks are typically attached to the boat and provide a secure yet movable point for the oar to rotate during use.
An oar pin is also called a rowlock pin or a thole.
It is called feathering your oar
There are 2 parts to an oar holder. The first part is the rigger which is attached to the side of the shell. The second part is the oar lock which swivels with the stroke and keeps the oar in place. This is mounted on top of the rigger.
a rowlock (UK) or an oarlock (US).
scull
A gondola " pusher " as you put it is called a gondolier. The thing he " pushes " ( rows ) with is called an oar.