Definition of lock on to in English:

lock on to

Locate and then track (a target) by radar or similar means: the new laser gun can lock on to a car from almost half a mile
More example sentences
  • It automatically passes on details of the most serious threat to the ship to Seawolf's tracker, which then looks for - and locks on to - the incoming target.
  • Driven reticles confirm the missile seeker is locked on to the same target the gunner is tracking.
  • Faced with too many targets and choices, the missiles failed to lock on to a single radar.
See parent entry: lock

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Word of the day flippant
Pronunciation: ˈflɪp(ə)nt
adjective
not showing a serious or respectful attitude