How is “lock onto” used?

In The Mighty (1998), one line is: “They've locked onto us. Go left. Left.”

Which movie is “lock onto” from?

The clip at the top of this page is from The Mighty (1998).

They've locked onto us. Go left. Left.

8 作品で登場 · 1 本目

to find the thing that is being attacked and follow it

8 本の映画に登場

オックスフォード映画の 75%
to find the thing that is being attacked and follow it
A genetic guidance system that can lock onto a mark a half a mile away.
Lock onto the strongest power source. It should be the power generator.

定義：Oxford Advanced Learner's Dictionary 第 9 版