RS -abbr

  1. Received Standard
  2. recording secretary
  3. revised statutes
  4. Royal Society

RSA -abbr

  1. Republic of South Africa

RSFSR -abbr

  1. Russian Soviet Federated Socialist Republic

RSI -abbr

  1. repetitive strain injury; repetitive stress injury

RSV -abbr

  1. Revised Standard Version
  2. respiratory syncytial virus

RSVP [,är-,es-,vē-'pē] -vi

  1. to respond to an invitation
  2. please reply