There are 2 definitions of ROC in English:

ROC

Syllabification: ROC

abbreviation

historical
  • (In the UK) Royal Observer Corps.

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Definition of ROC in:

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Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
noun
elaborate ornamentation of a vocal melody

There are 2 definitions of ROC in English:

roc

Syllabification: roc
Pronunciation: /räk
 
/

noun

  • A gigantic mythological bird described in the Arabian Nights.
    More example sentences
    • Suddenly the serenity is broken as a giant bird, recalling the mythological roc, barges through the brush, creating a momentary panic among the dawn horses.
    • The legend of the roc surfaces in several stories of the Arabian Nights - two involving Sinbad and two about Abd -al -Rahman.
    • Talon received a job he very much enjoyed, being allowed to sit in the crow's nest high above the wooden deck and scout for any signs of avian life that could prove dangerous, such as rocs or griffons.

Origin

late 16th century: ultimately from Persian ruḵ.

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