clipping of ビルディング (birudingu, “(non-residential) building”).

a terminal (airport building)

multipurpose building (such as one used simultaneously for commence and for living)

abandoned building

a systems engineer

an operating system

(computing, Internet) a system operator, especially someone who administers an online communications system or bulletin board

systems analyst

unit kitchen, a complete kitchen, custom kitchen, a kitchen fitted with appliances, a fitted kitchen, an integrated kitchen system

stairs used in emergencies