zero in

1 definition found

zero in - WordNet (r) 2.1 (2005) :

  zero in
      v 1: direct onto a point or target, especially by automatic
           navigational aids [syn: range in, home in, zero in]
      2: adjust (as by firing under test conditions) the zero of (a
         gun); "He zeroed in his rifle at 200 yards" [syn: zero,
         zero in]