Fill-in

1 definition found

From WordNet (r) 2.0 [wn]:

  fill-in
       n : someone who takes the place of another (as when things get
           dangerous or difficult); "the star had a stand-in for
           dangerous scenes"; "we need extra employees for summer
           fill-ins" [syn: {stand-in}, {substitute}, {relief}, {reliever},
            {backup}, {backup man}]