GRE TOEFL sheath Definition A protective case or covering for a blade or tool. Example "He slid the knife back into its leather sheath." Sign in to save GRE Quiz → TOEFL Quiz → ← shear shed → Study tips featuring "sheath" Map Each Word Into a Connected Network Force Contrast Between Two Similar Words Track How TOEFL Words Behave With Others Related words GRE awe GRE smithereens GRE abacus SAT abase GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate SAT abdomen GRE abduct GRE aberrant