(rail transport, UK) A special railway carriage reserved for royalty and other dignitaries.

(finance) An atypical event with the potential to alter the future course of a business, with material impact on the company's value.

plural of special situation

(UK, historical) A marriage licence, granted by the Archbishop of Canterbury or his officials, permitting the marriage of two specified persons without banns, and at a place and time other than those prescribed by law.

plural of special character

(computing) A symbol that is not an alphanumeric character; a nonalphanumeric character.

(informal) A significant other.

(India) A train, bus or tram for the use of female commuters only.

plural of ladies' special

Alternative form of special case (“treat specially”)