zero in on

48 Moby Thesaurus words for "zero in on":
      aim at, allocate, assign, barrage, blast, blitz, bombard, cannon,
      cannonade, collocate, commence firing, deploy, dispose, emplace,
      enfilade, fire a volley, fire at, fire upon, fix, fusillade,
      get a fix, home in on, install, localize, locate, mortar, navigate,
      open fire, open up on, pepper, pin down, pinpoint, place, pop at,
      position, put in place, rake, shell, shoot, shoot at, situate,
      snipe, snipe at, spot, strafe, take aim at, torpedo, triangulate