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ORV
Orvieto
-ory
oryx
orzo
OS
Os
os (1)
os (2)
OSA
Osage (1)
Osage (2)
Osage orange
Osaka
Oscan
Oscar (1)
Oscar (2)
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os (2)
os [ oss ] (plural os·sa [ óssə ])


noun 
Definition:
 
anatomy  ( technical )
Same as  bone
[Mid-16th century. < Latin, "bone" (stem oss-)]
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