tr.

tr. (countable and uncountable, plural trr.)

1. (medicine) Abbreviation of tinctura (Latin for “tincture”).
2. Abbreviation of trace.
3. Abbreviation of track.
4. Abbreviation of tragedy.
5. Abbreviation of train.
6. Abbreviation of trainee.
7. Abbreviation of transaction.
8. Abbreviation of transfer.
9. Abbreviation of translation.
10. Abbreviation of translator.
11. Abbreviation of transport.
12. Abbreviation of transportation.
13. Abbreviation of transposition.
14. Abbreviation of treasurer.
15. (music) Abbreviation of treble.
16. (music) Abbreviation of trill.
17. Abbreviation of troop.
18. Abbreviation of truck.
19. Abbreviation of trumpet.
20. Abbreviation of trumpeter.
21. Abbreviation of trust.
22. Abbreviation of trustee.

tr. (not comparable)

1. (grammar) Abbreviation of transitive.
2. Abbreviation of translated.
3. (music) Abbreviation of treble.

tr.

1. Abbreviation of translate.
2. (printing) Abbreviation of transpose.

• (grammar): tr

• The New Penguin Dictionary of Abbreviations: from A to zz, Rosalind Fergusson. (Penguin Books, 2000), page 375/2

• R/T, RT, rt

tr. c

1. Abbreviation of trappa (flight of stairs).