Meaning of third man

third' man'

Pronunciation: [key]
    1. the position of a fielder on the off side between slip and point.
    2. the fielder occupying this position.
    1. the position of a player, first in the line of defense between center and goal.
    2. the player occupying this position.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.