sheath

• Nom désignant un étui protecteur, par exemple pour une lame, ou une structure enveloppante qui contient un organe ou une partie, ou un type de robe ajustée.

A noun referring to a protective covering, such as for a blade, or an enveloping structure that encloses an organ or part, or a type of close-fitting dress.

1. Protective covering for a bladeB1formal

   A close-fitting cover for the blade of a knife, sword, or similar tool.

   fourreau de lame

   • He pulled the sword from its leather sheath.
   • The knife came with a plastic sheath for safe storage.
   • She carefully placed the dagger back into its sheath.

   Synonymescasecovercoveringscabbard

2. Biological coveringC1formalscientific

   An enveloping structure or covering that encloses an animal or plant organ or part.

   Gaine biologique

   • The myelin sheath protects nerve fibers in the body.
   • The plant's stem is surrounded by a thin sheath of cells.
   • The insect's wing is enclosed in a protective sheath.

   Synonymescapsulecasecoveringenvelopeintegumentthecatunic

3. Formal dressB2formal

   A close-fitting, usually straight dress, often worn for formal occasions.

   robe fourreau

   • She wore an elegant black sheath to the gala.
   • The designer showcased a silk sheath dress in the fashion show.
   • A simple sheath is perfect for a cocktail party.