differential lock

/D IH0 F ER0 EH1 N SH AH0 L AA0 K/
noun
  1. 1

    A kind of automotive differential that provides increased traction by restricting each of the two wheels on an axle to the same rotational speed without regard to available traction or differences in resistance seen at each wheel.

Translate “differential lock” into another language

Source: https://en.wiktionary.org/wiki/differential%20lock, https://en.wiktionary.org/wiki/locking%20differential