Definitions for unsheatheʌnˈʃið
Random House Webster's College Dictionary
to draw from a sheath, as a sword or knife.
Origin of unsheathe:
draw from a sheath or scabbard
"the knight unsheathed his sword"
To deprive of a sheath; to draw from the sheath or scabbard, as a sword.
to deprive of a sheath; to draw from the sheath or scabbard, as a sword