What does écrou in French mean?

What is the meaning of the word écrou in French? The article explains the full meaning, pronunciation along with bilingual examples and instructions on how to use écrou in French.

The word écrou in French means nut, prison register, record of prisoner arrival, locking ring nut, locknut, discharge from prison, butterfly nut. To learn more, please see the details below.

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Meaning of the word écrou

nut

nom masculin (pièce montée sur une vis) (metal fastening)

(noun: Refers to person, place, thing, quality, etc.)
Pour serrer il faut que la vis et l'écrou soit de même diamètre.
To grip, the screw and the nut must be of the same diameter.

prison register, record of prisoner arrival

nom masculin (acte de mouvement de prisonnier)

(noun: Refers to person, place, thing, quality, etc.)
Les coordonnées du prisonnier sont inscrites sur l'écrou.
The prisoner's details are written in the prison register.

locking ring nut, locknut

nom masculin (écrou qui bloque)

(noun: Refers to person, place, thing, quality, etc.)
Monté sur une vis, le contre-écrou bloque l’écrou principal.

discharge from prison

nom féminin (libération) (prisoner)

(noun: Refers to person, place, thing, quality, etc.)
La levée d'écrou est la constatation de la libération du détenu.

butterfly nut

nom masculin (écrou à ailettes)

(noun: Refers to person, place, thing, quality, etc.)
Les papillons permettent de serrer l'écrou sans pince.
Butterfly nuts make it possible to tighten a screw without pliers.

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