zero

³zero

verb

Definition of ZERO

transitive verb

1

: to determine or adjust the zero of (as a rifle)

2

a : to concentrate firepower on the exact range of —usually used with in

intransitive verb

1

: to adjust fire on a specific target —usually used with in

2

: to close in on or focus attention on an objective —usually used with in <investigators are zeroing in on a suspect>

First Known Use of ZERO

1913