The executive officer, second in command of a naval vessel.
Air Transport Auxiliary rank corresponding to Flight Lieutenant in the Royal Air Force.
Women's Royal Naval Service rank corresponding to Lieutenant-Commander in the Royal Navy.
The copilot of an aircraft.
The chief mate of a merchant ship.
The most senior civil servant in the United States Foreign Service, with responsibility for running an embassy under the authority of and reporting to the ambassador.
A member of a military special operations unit.
A function or other mapping that carries variables defined on a domain into another variable or set of variables in a defined range.
A telecommunications facilitator whose job is to establish temporary network connections.
A kind of expression that enters into an a-bar movement dependency and is said to bind a variable.
The administrator of a channel or network on IRC.
A symbol that represents a construct in a programming language and differs from a normal function in its syntax.
A person who is adept at making deals or getting results, especially one who uses questionable methods.
The game of Chinese whispers.
One who operates.