detach

UK: /dɪˈtætʃ/ US: /dɪˈtætʃ/ ,(di tach′)

WordReference Random House Learner's Dictionary of American English © 2025

de•tach /dɪˈtætʃ/   v. [~ + object]

1. to unfasten and separate;
   disconnect:
   Detach the trailer from the car.
2. Military to send (a regiment, vehicle, etc.) on a special mission:
   A plane was detached to search for survivors.

de•tach•a•ble, adj. 

WordReference Random House Unabridged Dictionary of American English © 2025

de•tach  (di tach′), v.t. 

1. to unfasten and separate;
   disengage;
   disunite.
2. Military to send away (a regiment, ship, etc.) on a special mission.

• Middle French détacher, Old French destachier; see dis-¹, attach
• 1470–80

de•tach′a•ble, adj. 
de•tach′a•bil′i•ty, n. 
de•tach′a•bly, adv. 
de•tach′er, n. 

Collins Concise English Dictionary © HarperCollins Publishers::

detach / dɪˈtætʃ/ verb (transitive)

1. to disengage and separate or remove, as by pulling; unfasten; disconnect
2. to separate (a small unit) from a larger one, esp for a special assignment

Etymology: 17th Century: from Old French destachier, from des- dis-¹ + attachier to attach