t 1 or T (tē)
n. pl. t's or T's also ts or TsIdiom:
1. The 20th letter of the modern English alphabet.
2. Any of the speech sounds represented by the letter t.
3. The 20th in a series.
4. Something shaped like the letter T.
to a T
Perfectly; precisely: This actor fits the role to a T.
(click for a larger image)manhole cover, Seattle Utility
This cast-iron manhole cover shows letters abbreviating the name of the Western Union Telegraph Company.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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:
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.