1) Canadian football terminology 2) Football player 3) Person in a rush 4) Running back 
[American football] A halfback is the holder of an offensive position in American football whose duties involve lining up in the backfield and carrying the ball on most running plays in formations such as the veer variant of the wishbone. When the principal ball carrier lines up deep in the backfield, and especially when that player is plac...[Canadian football] The halfback in Canadian football, and most commonly the Canadian Football League, currently refers to the defensive back rather than the running back, as in American football. The defensive halfback lines up inside covering the slotback. They are usually slightly larger than the cornerback to assist the linebackers in s...[gridiron football] The Crimson Wing: Mystery of the Flamingos is a 2008 British-American nature documentary produced by Disneynature that explores the massive gathering of lesser flamingos in Tanzania. It premiered in France on October 26, 2008 with narration by Zabou Breitman and was released theatrically in the UK in September 2009 and o...
An offensive player who runs with the ball in the backfield.
see Midfielder.
[Soccer] see Midfielder.
A running back. Usually referred to as a halfback when there
a player position on offense. Also known as a running back.
[n] - (football) the running back who plays the offensive halfback position 2. [n] - the position of a back on a football team
noun the position of a back on a football team
concrete block that has the insides of two cells cut out.