What does So stand for?

Southern Reporter - National Reporter System - A publication (DLA)

Seller's Option (ODBW)

Shipping Order (ODBW)

show off (SAUS)

Somalia - MARC country of publication code - Library of Congress (LCCP)

someone (SAUS)

South (MIST)

Southern (NTIO)

Strike Out (NTIO)

Austrian Air - ICAO designator (AD)

Austrian Air Services - Austria - ICAO designator (ICDA)

Safety Observer - Environmental science (COE)

Safety Officer (SAUS)

SAI Ambrosini SpA - Italy - ICAO aircraft manufacturer identifier (ICAO)

Sail Only (CINC)

Sail with Outboard - NCIC boat propulsion code (NCIC)

Sales Office (MHDW)

Sales Order

Salpingo-Oophorectomy - Medicine

Salvis Omissis - Omissions Excepted - Latin

Saturdays Only - British railroad term

Saturn Orbiter - NASA

Scanning Operation (SAUS)

Scheduling Operator (ACAE)

Schenectady Operation - Energy Research and Development Administration (MCD)

Schlatter-Osgood - Disease - Medicine (DB)

Scientific Officer - Ministry of Agriculture, Fisheries, and Food - Also, ScO - British

Scottish - Communion Office - Episcopalian

Scottish Opera (SAUS)

Scouting-Observation (SAUS)

Scouting-Observation Plane - When prefixed to Navy aircraft designation

Scrubber Outlet (SAUS)

Second Class Open - Train ticket (DCTA)

Second Opinion - An association - Defunct (EA)

Second-Order (SAUS)

Secretary's Office - Navy

Secretary's Order

Section Officer - British military (DMA)

Secure Operations (MCD)

Security Office

Seder 'Olam (BJA)

Seek Operation (SAUS)

Select Order (IAA)

Seller's Option - Stock exchange term

Sell-Off (AAG)

Seminars in Oncology - Medicine (EDAA)

Sending Only (SAUS)

Send Only

Senior Officer - Military, police

Sensory Organ - Anatomy

Separated Orbits (SAUS)

Sequential Operator (SAUS)

Serial Out (SAUS)

Serial Output

Serviceability Objective

Service Order

Service-Oszillograf (SAUS)

Sex Offender

Sheriff's Office - or Officer (ROG)

Shift Order (SAUS)

Shift Out (SAUS)

Shift-Out - Computer science (IAA)

Shift Out Bit (SAUS)

Shift-Out Character - Keyboard - Computer science

Shipment - or Shipping Order

Shipping Order (WGA)

Ships-on-Order Library - Maritime Data Network, Inc. - Information service or system (CRD)

Ship's Option

Shop Order

Shot

Shotgun, Over and Under - NCIC gun type code (NCIC)

Shoulder Orthosis - Medicine (EDAA)

Shut Off

Shutout - Sports

Signal Office (SAUS)

Signal Officer

Signal Oscillator (OA)

Significant Other - Term for members of unmarried couples

Sign Operator (SAUS)

Silvered Optics

Sleep Onset

Sleepout (ADA)

Slope Occurrence

Slow Operate - Relay

Slow Operating (SAUS)

Slow Oxidative - Fibers - Neuroanatomy

Slow to Operate (SAUS)

Small Oocyte

Small Outline (NITA)

Social Studies/Social Science Education - Educational Resources Information Center (ERIC) Clearinghouse - Indiana University (PAZ)

Society (ROG)

Socket (IAA)

Sodic - Soil biology - Soil phases (QSUL)

Soest - German license plate city code

Soft (SAUS)

Soiled (SAUS)

Solar Observatory (SAUS)

Sold Out (ADA)

Solicitor's Office (HEAS)

Solicitor's Opinion - Legal term (DLA)

Somalia - ANSI two-letter standard code (CNC)

Somalia - GeoNet country code (GEON)

Somalia - Federal Information Processing Standard (FIPS) country code (GEON)

SONARman - Navy

Sonora - NCIC Mexican state code (NCIC)

Sorghum - Soil biology - Human-introduced crops (QSUL)

Sorrel Resources Ltd. - Toronto Stock Exchange symbol

Sorter (SAUS)

Sorting Office - British (ROG)

Source - Online database field identifier

Sourcing - Automotive engineering

South - or Southern

Southern Airways - ICAO designator

Southern Co. - NYSE symbol (SPSG)

Southern Oscillation - Meteorology

South Orient Railroad - Federal Railroad Administration identification code

Space Opera (SAUS)

Specialist in Ordnance (SAUS)

Specialist Officer (SAUS)

Special Olympics - Later, SOI (EA)

Special Operations

Special Operator (SAUS)

Special Options (SAUS)

Special Orders - Military

Spheno-Occipital - Synchondrosis - Medicine

Sphenookzipital (SAUS)

Spin-Orbital (IAA)

Spiracular Organ - Fish anatomy

Spring Opening

Spurious Outputs (ACAE)

Staff Office - Marine science

Staff Officer

Stamp Office - British (ROG)

Standardization Officer (SAUS)

Standard Oil (GOBB)

Standing Order

Starboard Outer (SAUS)

Start of Climb (SAUS)

State Officer

Stationary Orbit (IAA)

Stationery Office - British

Station Officer - British police

Station Operator (SAUS)

Statutes of Ontario - QL Systems Ltd. - Information service or system (CRD)

Stay Out - Official leave from Eton College - British

Steward Observatory (SAUS)

Stockage Objectives - Military

Stock Option - Investment term

Stock Order (AAG)

Stock Outboard - Powerboat

Stop Order (MCD)

Stopover - Slang

Store Operation (SAUS)

Stores Officer - British military (DMA)

Strategic Objective (SAUS)

Strategic Outline Chart - Air Force

Strikeouts - Baseball

Submarine Oscillator (DEN)

Suboccipital - Medicine (EDAA)

Suboffice

Substitution Oscillator (IAA)

Sulfate Radical (SAUS)

Sulfur Dioxide (SAUS)

Sulfur Oxide (ACAE)

Sulphur Dioxide (SAUS)

Superior Oblique - Muscle - Anatomy

Superior Old - Spirits

Supervisor's Office (ALAC)

Supply Officer

Supporting Organization (SAUS)

Support Operations

Supraoptic - Nucleus - Ophtalmology (DAVI)

Supraopticus (SAUS)

Supraorbital (SAUS)

Surface Operations - Navy (CAAL)

Surveillance Officer

Survivors' Originals (GEAB)

Sutures Out (SAUS)

Switching Oscilloscope

Switch Over (SAUS)

Switchover

Symbolic Operand (SAUS)

Symbolic Output - Computer science

Sympathetic Ophthalmia - Medicine

Symphony Orchestra

System Oil - Fuels and lubricants

System Operation (ELAL)

System Operational - Office of Environmental Management, Department of Energy (DEEM)

System Optimization (SAUS)

System Option

System Override (AAG)

Systems Orientation