Pronunciation: [ʌnlˈat͡ʃ] (IPA) 
The word "unlatch" is spelled with the letters u-n-l-a-t-c-h. In IPA phonetic transcription, it is written as /ʌnˈlætʃ/. The first sound is the "uh" sound, followed by the "n" sound. The stressed syllable is "lat", which is pronounced as "laht". The last sound is "ch", creating a combined "tsh" sound. "Unlatch" means to open or release a latch, and is commonly used when referring to doors or windows.
Unlatch is a verb that refers to the action of releasing or opening a latch or fastening mechanism. The term is composed of the prefix "un-", added to signify the reversal or cessation of an action, and the word "latch," which denotes a mechanical or device used to secure or close something.
When one unlatches something, they typically disengage or remove the obstacle that prevents the opening or closing of a particular object. This can involve the manual operation of a latch, such as sliding a bolt or pulling a lever to release a door, gate, or window lock. Unlatching can also involve the release of a more complex locking mechanism, like those found in safes, cabinets, or machine components.
The act of unlatching often requires a deliberate effort or specific action to be taken, such as turning a key, pushing a button, or rotating a handle. It allows for the access or manipulation of an enclosed or secured space by removing the barrier that prevents entry or exit. Unlatching can be considered a fundamental step in gaining access to locked, closed, or restricted areas, objects, or containers.
In summary, "unlatch" is a verb that signifies the action of releasing or opening a latch or fastening mechanism, allowing for the unobstructed opening or closing of an object or the unlocking of a space or container.
To loose by lifting the latch.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The word "unlatch" originated in Middle English as "unlacchen", a combination of the prefix "un-" meaning "not" or "reverse action" with the verb "lacchen" meaning "to catch or seize". "Lacchen" is derived from Old English "læccan", which has a similar meaning. Ultimately, the origin can be traced back to the Old Norse word "laka", meaning "to take hold of". The prefix "un-" serves to negate or reverse the action of "lacchen", creating the meaning "to release or open by not catching or seizing". Over time, the spelling of "unlatch" evolved to its current form.
