Meaning of cosigner

co•sign•er

Pronunciation: (kō'sī"nur, kō-sī'-), [key]
— n.
  1. a cosignatory.
  2. a joint signer of a negotiable instrument, esp. a promissory note.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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