noun.
The operation of adjusting the spindle of a millstone to bring it exactly perpendicular with the face of the bedstone. When so adjusted it is said to be in tram; when inclined to the face it is out of tram.
the GNU version of the Collaborative International Dictionary of English
noun.
The act or process of forming trams. See 2d tram.
"At twenty minutes past midnight last night, a tramming team leader at the Hartebeesfontein Gold Mine was killed when he was crushed between a side wall and a locomotive."