Definitions for unclaspʌnˈklæsp, -ˈklɑsp
Random House Webster's College Dictionary
to undo the clasp or clasps of; unfasten.
to release from the grasp.
(v.i.)to release or relax the grasp.
Origin of unclasp:
release from a clasp
"She clasped and unclasped her hands"
To release the clasp from something
To become unfastened
to loose the clasp of; to open, as something that is fastened, or as with, a clasp; as, to unclasp a book; to unclasp one's heart