tramming


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tram 1

 (trăm)
n.
1. Chiefly British
a. A streetcar.
b. A streetcar line.
2. A cable car, especially one suspended from an overhead cable.
3. A four-wheeled, open, box-shaped wagon or car run on tracks in a mine.
tr.v. trammed, tram·ming, trams
To move or convey in a tram.

[Scots, shaft of a barrow, probably from Middle Flemish.]

tram 2

 (trăm)
n.
1. An instrument for gauging and adjusting machine parts; a trammel.
2. Accurate mechanical adjustment: The device is in tram.
tr.v. trammed, tram·ming, trams
To adjust or align (mechanical parts) with a trammel.

[Short for trammel.]

tram 3

 (trăm)
n.
A shiny silk thread with very little twist, primarily used as a weft yarn.

[Middle English, contrivance, from Old French traime, contrivance, weft, from Latin trāma, weft, woof.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.