What does WOO stand for?

College of Wooster, Wooster, OH - OCLC symbol (OCLC)

James Woodward & Sons - NCIC firearms make code (NCIC)

Manombai - Language code (ETLW)

Waiting on Orders

War Office Order (SAUS)

Warrant Ordnance Officer - Navy - British

Werke ohne Opuszahl - Works without Opus Number - Music

Western Operations Office - Later, WSO - NASA

Woodchopper, AK - Location identifier - FAA (FAAL)

Woodstock - Maryland - Seismograph station code, US Geological Survey - Closed (SEIS)

World Oceanographic Organization

World of Outlaws - Auto racing