scab·bard 
(skăbərd)
(skăbərd)n.
A sheath, as for a dagger, sword, or rifle.
tr.v. scab·bard·ed, scab·bard·ing, scab·bards
To put into or furnish with such a sheath.
[Middle English scauberc, scabbard, from Old French escauberc, possibly of Germanic origin; see sker-1 in the Appendix of Indo-European roots.]