zero in

verb

1. (often foll by on) to bring (a weapon) to bear (on a target), as while firing repeatedly

2. informal,  to bring one's attention to bear (on a problem, etc)

3. informal,  to converge (upon)

   the police zeroed in on the site of the crime

Related Words

• address 
• aim 
• cast 
• conduct 
• focus 
• head 
• intend 
• lead 
• mean 
• present 
• see 
• set 
• show 
• steer 
• target 
• train 
• turn