The Collaborative International Dictionary of English v.0.48:

Deglaze \De*glaze"\, v. t.
   To remove the glaze from, as pottery or porcelain, so as to
   give a dull finish.
   [Webster 1913 Suppl.]

WordNet (r) 3.0 (2006):

deglaze
    v 1: dissolve cooking juices or solid food in (a pan) by adding
         liquid and stirring