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.
It is called feathering your oar
an oar pin is called thole
The middle part of the pharynx is called as oropharynx. The upper part is called as nasopharynx. The lower part is called as larynopharynx. What you see after depressing the tongue is oropharynx.
oar
Oar
A boys middle part is called a pence
Refraction.
The middle part of an apple is called the 'core'
That's an oarlock.
The vikings didn't want to sink.
the middle