Plural form of o., the name of the letter O.(noun)
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Use "oes" in a sentence
"Yn yr 'oes' aur' o raglenni teledu plant a roddodd Swpyrted a Sam Tân, yr oeddent yn gymaint o lwyddiant cafodd nhw eu cyfieithu i'r Saesneg ac i'r Ffrangeg."
"[D] oes English law really owe a debt to Muslim law?"
"Doug oes Robin's summary clear up any of the problems?"