CSS

(aviation, travel) Initialism of Change Segment Status (a GDS code used on older types of airline keyboards).

(historical, nautical, military) Initialism of Confederate States Ship (the designation for a commissioned warship operated by the Confederate States Navy).

(media, DVD) Initialism of Content Scramble System.

(medicine) Initialism of Churg-Strauss syndrome.

(military, astronautics) NATO prefix-code for Chinese surface-to-surface missile systems developed by the People's Republic of China.

(nautical) Initialism of Canadian Survey Ship (the designation for a survey ship operated by the Canadian Hydrographic Service).

(Web design) Initialism of Cascading Style Sheets.

(space travel, aviation) Initialism of Control Stick Steering (a method of Space Shuttle flight control).

(sports) Initialism of Critical Swim Speed.