Definitions
1.nounAn assistant referee.
2.nounA male line judge.
3.nounAn official whose primary task is to watch the blue line and determine when there has been an offside.
4.nounAn official whose primary task is to determine whether there has been a line of scrimmage violation.
5.nounA person employed to work on electrical lines; a lineman.
6.nounA private in the line.