1. phrasal verb
If you home in on one particular aspect of something, you give all your attention to it.
[V P + on] ⇒ The critics immediately homed in on the group's newly-elected members. [Also V P]
2. phrasal verb
→ home If something such as a missile homes in on something else, it is aimed at that thing and moves towards it.
[V P + on] ⇒ Two rockets homed in on it from behind without a sound.
[V P on n] ⇒ A bank of telephoto lenses homed in on him. [Also V P]
COBUILD Advanced English Dictionary. Copyright © HarperCollins Publishers