OTR meaning in Regional ?

Answer: What is Over-the-Rhine mean?

Over-the-Rhine (often abbreviated as OTR) is a neighborhood in Cincinnati, Ohio, United States. Historically, Over-the-Rhine has been a working-class neighborhood. It is among the largest, most intact urban historic districts in the United States.

reference

Full Form	Category
On The Road	Academic & Science
Oral Tradition Room	Academic & Science
On Time Reporting	Academic & Science
Oxygen Transfer Rate	Academic & Science
Order To Receipt	Accounts and Finance
Coto 47	Airport Code
Own The Room	Business
Otr Express Inc	Business
One True Ring	Community
Over The Rainbow	Community
Old Timers Reunion	Community
One Time Repair	Computing
Operational Trouble Report	Computing
Output Routine	Computing
Off The Record	Computing
Operational Test Requirement	Computing
One Touch Recording	Computing
Optical Transceiver	Computing
Over The Range	Computing
Otter Finance	Cryptocurrency
One Touch Record	Database Management
Registered Occupational Therapist	Educational Degree
Other Terrestrial Radio	General
Orientation Transition and Retention	General
Off The Rack	General
Off The Road	General
Oval Track Racer	General
Omologato Turismo Radiale	General
Operating Temperature Range	General
Odyssey Touring	General
On The Rocks	General
Over-The-Road container	General
On Target Reports	General
Oscillatory Transition Return	General
On The Record	General
Oceanic Transition Route	Governmental
On The Run	Governmental
Office of Tax and Revenue	Income Tax
MOTURU	Indian Railway Station
Old Time Radio	Jobs
Occupational Therapist Rehabilitation	Medical
Occupational Therapist, Registered	Medical
On The Rag	Messaging
Over The Road	Messaging
Office of Technology Resources	Military and Defence
Over-the-Rhine	Regional
Oakland Terminal Railway	Regional
Operating Time Record	Space Science
Outer	Space Science
Oval Track Racing	Sports