DuckCorp Dico

Found one definition

1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   lase \lase\ (l[=a]z) v. i. [imp. & p. p. lased (l[=a]zd); p.
      pr. & vb. n. lasing.] [by back-formation from laser. See
      laser.]
      To give off a beam of coherent light; -- of a laser.
      [PJC]