1. To adjust a gun so that it will hit a target.
The soldiers zeroed in on the target and began to fire their guns.
2. To give your full attention to something.
We zeroed in on the problem of what to do with the extra space in our office.
1. To adjust a gun so that it will hit a target.
The soldiers zeroed in on the target and began to fire their guns.
2. To give your full attention to something.
We zeroed in on the problem of what to do with the extra space in our office.