sheath

/ʃiːθ/
noun
  1. A close-fitting cover for the blade of a knife or sword.
    • He pulled the sword from its leather sheath.
    • The sheath was decorated with silver and jewels.
    • Always put the knife back in its sheath after use.
  2. Any close-fitting covering or structure, such as a protective tube or casing.
    • The cable has a plastic sheath to protect the wires inside.
    • Doctors use a sterile sheath to cover the instrument.
    • The plant's stem is surrounded by a thin sheath of leaves.
  3. A condom.
    • He bought a pack of sheaths at the pharmacy.
    • Using a sheath can help prevent pregnancy.
    • Sheaths are also called condoms.
What does "sheath" mean? | whatsthatwordmean | whatsthatwordmean