The meaning of the Acronym TR is...

TR is

• Transportation Request
• Transportation Research
• Three Rails
• Turn Red

More Meanings For TR:

• Table Row
• Turbo Debugger for DOS Session-state settings file
• Unformatted manual page (Roff/nroff/troff/groff)
• That's Right
• translate
• Totally Rejected
• Table Row
• Transmitter Receiver
• Technical Reference
• Textile Restoration
• Theodore Robert
• Telescopic Reversible
• Tex Robert
• Teddy Robbie
• Triangular Regression

TR is also in:

• Chat
• Chemistry
• Clothes
• Databases
• Electronics
• File Extensions
• Names and Nicknames
• SMS
• Unfiled
• Universities
• Unix Commands