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latch
The word evokes a sense of sudden, secure attachment. In its physical sense, it describes a mechanical click or snap that locks something in place, implying a transition from open to closed. This physical action informs the metaphorical usage of seizing an idea or a person with intensity.
When used as a verb with the preposition onto, the word shifts from a mechanical action to a behavioral or cognitive one. It suggests a gripping quality, whether it is a biological reflex in nursing or a psychological fixation on a specific theory or lead during an investigation.
Meanings
A metal bar or lever that slides into a slot to fasten a door or gate.
The latch on the garden gate is broken.
To fasten a door or gate using a latch.
She latched the door behind her.
Examples
The media latched onto the scandal immediately.
Phrasal Verbs
latch onto
to attach oneself to something or someone, often by gripping tightly or focusing intensely
The baby latched onto the breast quickly.
latch on
to suddenly and firmly grip or seize something, or to adopt an idea enthusiastically
The predator latched on to its prey with sharp claws.