That's called a Tug.
A tug Boat
rafting boat
Skiff , dory,
Outboard motor.
junk
sampan
davit
The diameter is much larger than the small intestine.
sharpie
A transom is the wide, usually flat area at the very back of a boat. This is where an outboard motor is typically mounted. This is also where you usually find the name of the boat on larger vessels.
Sea Ray 330 Sundance
Kedge Anchor.