| RA | the fourth month of the Moslem calendar |
|---|---|
| RA | marked by excessive enthusiasm for and intense devotion to a cause or idea |
| RA | an acute viral disease of the nervous system of warm-blooded animals (usually transmitted by the bite of a rabid animal) |
| RA | omnivorous nocturnal mammal native to North and Central America |
| RA | the fur of the North American racoon |
| RA | small wild dog of eastern Asia having facial markings like those of a raccoon |
| RA | raccoon-like omnivorous mammal of Mexico and the southwestern United States having a long bushy tail with black and white rings |
| RA | a canal for a current of water |
| RA | a contest of speed |
| RA | any competition |
| RA | people who are believed to belong to the same genetic stock |
| RA | (biology) a taxonomic group that is a division of a species |