Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • abbreviation radio frequency
  • abbreviation right field
  • abbreviation right fielder

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • initialism US, military, aviation reconnaissance fighter; an unarmed fighter modified for photo-reconnaissance (prefix)
  • initialism electronics Radio Frequency
  • initialism pathology Rheumatoid Factor
  • initialism slang ratfuck A practical joke, especially a clever one. (Military and engineering slang)
  • initialism Russian Federation
  • initialism baseball right field, right fielder

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Combination of prefix F and prefix modifier R

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