Latch

Part of speech: noun, verb

Pronunciation: /læt͡ʃ/

Definitions

  1. A fastening device that holds a door or gate closed, typically operated by lifting a lever or bar
  2. A mechanical device designed to secure a door or gate in a closed position, which is usually operated by lifting a lever or moving a bolt | An apparatus used to fasten doors or gates, functioning by means of a lever or sliding mechanism to keep them closed | A closure system for doors or gates that works through a lever action or bolt mechanism to ensure they remain shut
  3. A mechanism used to fasten a door or gate in a closed position through the movement of a lever or a sliding bolt

Etymology: The word began its journey in Middle English as "lachen," a verb meaning "to catch" or "to seize." This sense of grasping or holding something firmly provided the foundation for its later connection to devices that fasten or secure. By the late Middle Ages, the term had evolved to describe a mechanical fastening—an ingenious method of catching a door or gate securely shut. This fastening meaning developed from the basic idea of "catching" inherent in the original verb. A latch is fundamentally a small bar or bolt that catches into a notch or a staple, keeping doors or gates closed. The transition from the abstract concept of seizing to the concrete object that performs the action is a vivid example of how verbs can give rise to nouns through their functional roles. Its Old English roots trace back to "læccan," meaning "to grasp" or "to seize," reinforcing the connection between manual action and mechanical function. Over time, this term stabilized into the modern form, both as a noun describing the fastening device and as a verb meaning "to fasten with a latch" or "to close securely." The word has been part of English since at least the 14th century, carrying a practical, everyday significance that has hardly changed. Whether it’s a wooden latch on a medieval barn door or a modern metal catch on a gate, the term retains the core idea of holding something fast through a simple, effective mechanism.

Synonyms: bolt, fastener, catch, clasp, lock

Antonyms: unlock, release