The Collaborative International Dictionary of English v.0.48:

Ribibe \Rib"ibe\, n. [See Rebec.]
   1. A sort of stringed instrument; a rebec. [Obs.] --Nares.
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   2. An old woman; -- in contempt. [Obs.] --Chaucer.
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   3. A bawd; a prostitute. [Obs.] --B. Jonson.
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