detent

[dih-tent] /dɪˈtɛnt/
noun, Machinery
1.
a mechanism that temporarily keeps one part in a certain position relative to that of another, and can be released by applying force to one of the parts.
Origin
1680-90; < French détente, Old French destente, derivative of destendre to relax, equivalent to des- dis-1 + tendre to stretch; see tender2
Examples from the web for detent
  • Include description of the location of the adjustment latch detent if applicable.
  • Include a description of the location of the seat back adjustment latch detent if applicable.
  • It shall not be possible for the switches to be actuated before the latch and the detent engage the striker and the cam.
British Dictionary definitions for detent

detent

/dɪˈtɛnt/
noun
1.
the locking piece of a mechanism, often spring-loaded to check the movement of a wheel in one direction only See also pawl
Word Origin
C17: from Old French destente, a loosening, trigger: see détente