French

Noun

écrou m ‎(plural écrous)

1. nut (that fits on a bolt), female ****

Etymology 2

From Middle French escrou ‘scrap, strip of parchment, scroll’, from Old French escroe, from Old Dutch *skrōda ‎(“end, flap”) (compare Middle Dutch scrōde), from Proto-Germanic *skrudaz, derivative of Proto-Germanic *skrudaną (compare Dutch schrooien ‘to shred’). Lent English scrow, scroll.

Noun

écrou m ‎(plural écrous)

1. A prison register, prison admission form.

Derived terms

• écrouer
• levée d'écrou

Anagrams

• coeur, cœur
• coure

References

1. ↑ Merriam-Webster's Collegiate Dictionary, 11th edn., s.v. "****".