D defs.my
Entry 1 sense Webster, 1913

lase

/(lāz)/ · IPA /ˈleɪz/
01 v. i. To give off a beam of coherent light; -- of a laser.
imp. & p. p. lased; p. pr. & vb. n. lasing
  1. 1.
    To give off a beam of coherent light; -- of a laser.