Pronunciation: [lˈɒk ˈɒntʊ] (IPA) 
Lock onto is a phrasal verb used to describe targeting or focusing on something. The spelling of the word "lock" is transcribed as /lɑk/ in IPA, while "onto" is transcribed as /ˈɑn.tu/. Therefore, the spelling of "lock onto" can be broken down as /lɑk ˈɑn.tu/. For non-native speakers, the double "o" in "onto" might be confusing, but it is common in English to have two vowels together that create a unique sound, in this case, /ɑ/.
Lock onto: phrasal verb
Definition:
1. To fix or fasten onto something securely or tightly.
2. To direct or focus one's attention, aim, or radar onto a specific target or object.
Example 1:
The climber carefully locked onto the rope to ensure his safety during the ascent.
Example 2:
The missile system locked onto the enemy aircraft and fired with precision.
Example 3:
The radar systems on the ship locked onto the approaching enemy vessel, tracking its movements.
The phrase "lock onto" is often used in contexts related to physical or metaphorical fixation, concentration, or targeting. In a physical sense, it refers to securely fastening or fixing onto something, like a climber locking onto a rope for safety. In a metaphorical sense, it pertains to directing or focusing one's attention, aim, or radar onto a specific target or object, such as a missile system locking onto an enemy aircraft or a radar system locking onto an approaching vessel. The phrase implies a level of precision, accuracy, or control in fixing onto or targeting something. It can apply to various domains, ranging from sports and outdoor activities to military operations and technological systems.
The etymology of the phrase "lock onto" can be analyzed by looking at the individual words that comprise it.
1. Lock: The word "lock" comes from the Old English word "loc", which originally meant a fastening or enclosure. It can be traced back to the Proto-Germanic word "luk-", meaning "to close" or "to lock". The concept of locking has been present in human language and culture for centuries, with the word retaining its meaning of securing or binding something in place.
2. Onto: The word "onto" is a preposition formed by adding the suffix "-to" to the word "on". "On" is derived from the Old English word "on", which indicated a position above or in contact with a surface. The addition of the suffix "-to" helps create a sense of movement or direction towards the surface or object in question.
