from
The Collaborative International Dictionary of English v.0.48
Lineman \Line"man\ (l[imac]n"m[a^]n), n.; pl. {Linemen}
(l[imac]n"m[e^]n).
1. One who carries the line in surveying, etc.; the surveyor
who marks positions with a range pole.
[1913 Webster]
2. A man employed to examine the rails of a railroad to see
if they are in good condition; also, a man employed to
install or repair telegraph, telephone, television cable,
or power lines. Also called {linesman}.
[1913 Webster]
3. (Football) A player whose position is in the first
(forward) line, as opposed to a {back}; one who plays on
the line of scrimmage. specifically: a center, guard, or
tackle.
[PJC]
4. A ladies' man who is especially adept at inventing
effective introductory phrases (pick-up lines) to gain a
woman's attention. [Colloq.]
[1913 Webster]
5. the position of a player on a football team who is
stationed on the line of scrimmage. [WordNet sense 4]
[WordNet 1.5]