from The American Heritage® Dictionary of the English Language, 4th Edition

  • prep. Informal Of: lots o' luck; top o' the morning.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • prep. apocopic form of of

from the GNU version of the Collaborative International Dictionary of English

  • A prefix to Irish family names, which signifies grandson or descendant of, and is a character of dignity.
  • prep. A shortened form of of or on.


Middle English o, a, shortening of of; see of.
(American Heritage® Dictionary of the English Language, Fourth Edition)


Sorry, no example sentences found.


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