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oo - What does it mean?

Definition of 'oo'

English

(wikipedia)

Etymology 1

Representation of a long-o sound.

Noun

(en-noun)
  • (obsolete) The Greek letter omega.

    • Etymology 2

    (Moho) From (etyl) , resembling its call.

    Noun

    (en-noun)
  • A Hawaiian bird of the genus Moho , formerly classed with the honeyeaters and now believed to be extinct.
    • English palindromes English two-letter words ----

    Similar to 'oo'

    o, oho, ooo