Extensor

ahd-5
  • noun. A muscle that extends or straightens a limb or body part.
  • The Century Dictionary and Cyclopedia
  • noun. In anatomy, a muscle which serves to extend or straighten any part of the body, as an arm or a finger: opposed to flexor. See cut under muscle.
  • the GNU version of the Collaborative International Dictionary of English
  • noun. A muscle which serves to extend or straighten any part of the body, as an arm or a finger; -- opposed to flexor.
  • Wiktionary, Creative Commons Attribution/Share-Alike License
  • noun. A muscle whose contraction extends or straightens a limb or body part.
  • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • noun. a skeletal muscle whose contraction extends or stretches a body part