RR

Steam engine's path

RR is an abbreviation with several meanings depending on context.

In railroading, it stands for railroad: the Union Pacific RR.

In medical contexts, it means respiratory rate.

Online and in casual writing, RR can mean restroom or, in gaming communities, ready room or re-roll.

The doubled letter sometimes indicates emphasis or a rolling sound in informal writing.

railroad

tracks

Marks showing passage

station · platform · depot · junction · caboose · signal · crossing · tunnel · bridge · ticket

trademark

Rolls-Royce

Premier British automaker

Phantom · Bentley · prestige · craftsmanship · British · engineering · hood ornament · bespoke

abbreviation

railroad

Permanent track for trains

rest and relaxation · road · royal · reserve · reduced rate · return receipt

Opposites
mode of transportation

RRhighway

Major road for travel

freeway · air travel · aviation · automobile · airline

road type/infrastructure

RRhighway

Major road for travel

freeway · interstate · motorway · turnpike · expressway

Phrases
Familiarity
Top 1,000,000
Profile
Used worldwide · Timeless · Rated G