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.
Consider, now, how it must be in the case of four boats all engaging one unusually strong, active, and knowing whale; when owing to these qualities in him, as well as to the thousand concurring accidents of such an audacious enterprise, eight or ten loose second irons may be simultaneously dangling about him.