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Oscar (1)
Oscar (2)
OSCE
oscillate
oscillating universe
oscillogram
oscillograph
oscilloscope
oscine
oscitancy
Osco-Umbrian
oscular
osculate
osculum
-ose (1)
-ose (2)
OSF
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os (1)

os [ oss ] (plural o·ra [ áwrə ])


noun 
Definition:
 
mouth: a mouth or similar opening in an organism

[Mid-18th century. < Latin, "mouth, face, head" (stem or-)]
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