WO

  1. (abbreviation) .  (military) warrant officer.
  2. (abbreviation) .  (star) the prefix of catalog entries in the Gliese star catalog, the Richard van der Riet Woolley expansion.
  3. Interjection.  A falconer's call to a hawk.
  4. Interjection.  A call to cause a horse to slow down or stop; whoa.
  5. Noun.  (obsolete spelling of, woe) .

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This entry was last updated on RefTopia from its source on 3/20/2012.