ōe sudatta
1. Was OS
Noun
#63601
1. Was OS
1. electronic ordering system; EOS
2. end of sales; EOS
1. operating system; OS
1. If it's OS; When it's OS
1. point of sale; POS
1. heave!; heave-ho
1. SOS (distress signal)
1. guest Operating System
1. host OS; host operating system
1. point of sales system; POS system