Definition of home in on phrasal verb from the Oxford Advanced American Dictionary

 

home in on

 phrasal verb
phrasal verb
 
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Phrasal Verbs

    home in on something

     
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  1. 1to aim at something and move straight toward it The missile homed in on the target. a shark homing in on its victim
  2. 2to direct your thoughts or attention toward something I began to feel I was really homing in on the answer. The investigation homed in on the town of Carlton.
See the Oxford Advanced Learner's Dictionary entry: home in on