different between uncock vs unlock

English

Etymology

un- +? cock

Verb

uncock (third-person singular simple present uncocks, present participle uncocking, simple past and past participle uncocked)

1. To straighten or flatten (remove a cocked shape)

   to uncock a hat

2. (transitive) To let down the cock of (a firearm).

   Synonym: decock

   Antonym: cock

   • 1884: Mark Twain, The Adventures of Huckleberry Finn, Chapter VIII

     My heart jumped up amongst my lungs. I never waited for to look further, but uncocked my gun and went sneaking back on my tiptoes as fast as ever I could.

   • 1844, Alexandre Dumas (translated by William Robson), The Three Musketeers Chapter 27

     And d'Artagnan set the example. Then, turning toward Planchet, he made him a sign to uncock his musketoon. The Englishmen, convinced of these peaceful proceedings, sheathed their swords grumblingly.

3. To open or spread from a cock or heap, as hay.

English

Etymology

From Middle English unloken, unlouken, onlouken, from Old English onl?can (“to unlock”), equivalent to un- +? lock. Cognate with Dutch ontluiken (“to unlock”).

Pronunciation

• IPA^(key): /?n?l?k/
• Rhymes: -?k

Verb

unlock (third-person singular simple present unlocks, present participle unlocking, simple past and past participle unlocked)

1. (transitive) To undo or open a lock or something locked by, for example, turning a key, or selecting a combination.

2. (transitive) To obtain access to something.
3. (transitive) To disclose or reveal previously unknown knowledge.

4. (intransitive) To be or become unfastened or unrestrained.

   • He had come straight up without mishap or swerving off his course, and his shut teeth unlocked.

5. (figurative) This term needs a definition. Please help out and add a definition, then remove the text {{rfdef}}.

Translations

Noun

unlock (plural unlocks)

1. The act of unlocking something.
   • 1998, Steven Herberts, The Correctional Officer Inside Prisons (page 38)

     Unlike modern, automated prisons, each cell here was locked and unlocked manually with a large skeleton key. The first duty was to get a proper head count of each inmate, insuring each was alive. Once done, an unlock was conducted.

   • 2011, Ganesh Gopalakrishnan, Shaz Qadeer, Computer Aided Verification: 23rd International Conference

     The instructions between a lock and an unlock form a critical section.

References

• “unlock”, in Lexico, Dictionary.com; Oxford University Press, 2019–present.