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tram²

(trăm)

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.]

Indo-European & Semitic Roots Appendices

Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:

Indo-European Roots

Semitic Roots

The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.

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