The most common shapes are called open-ended spanner and ring spanner. The term wrench is generally used for tools that turn non-fastening devices (e.g. tap wrench and pipe wrench), or may be used for a monkey wrench - an adjustable spanner. In North American English, wrench is the standard term.
The definition of first mate is the person on a boat that is second in charge after the captain. An example of first mate is the person who gives orders while the captain is busy. first mate. first mate.
Bow and Stern = Front and Back. The front of the boat is called the bow. The rear is the stern. If someone asks you to âthrow me the bowline,â you should toss him the rope at the front of the boat. Head = Bathroom . A bathroom on a boat is called a head. Again, how did this term come about? One theory is that the crew went to the bow (the front) of the boat to do their business.