Scrabble Word OS
OS - is a valid Scrabble word.
Definition of OS:
- an orifice (a mouth-like opening, also ORIFEX) [n OSES or ORA or OSAR or OSSA] / a narrow ridge of gravel and sand [n OSES or ORA or OSAR or OSSA] / a bone [n OSES or ORA or OSAR or OSSA]
- esker, esp. when of great length
- mouth or orifice of the body
- Old Saxon
- operating system
- the fifteenth letter of the English alphabet
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