home on

home on (to something)

Fig. to aim directly at something; to fix some type of receiver on a signal source. The navigator homed onto the radio beam from the airport. The navigator located the beam and homed on.
See also: home, on
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • bottom of it, at the/get to the
  • give (one) the fig
  • shed light on, to
  • home in
  • palm off, to
  • save for a rainy day, to
  • go to one's head, to
  • keep an eye on, to
  • get one's teeth into (something), to
  • take by storm, to