verb (v)

• pull back or move away or backward(verb.motion)

  Synonym:
  draw back, move back, pull away, recede, retire, retreat, withdraw
  Antonym:
  advance, go on, march on, move on, pass on, progress
  

  source: wordnet30
• use a surgical instrument to hold open (the edges of a wound or an organ)(verb.contact)

  Synonym:
  draw back, retract
  

  source: wordnet30
• move to a rearward position; pull towards the back(verb.contact)

  Example:
  Pull back your arms!.
  

  source: wordnet30
• stretch back a bowstring (on an archer's bow)(verb.contact)

  Synonym:
  draw
  

  source: wordnet30
• make a retreat from an earlier commitment or activity(verb.communication)

  source: wordnet30