A fastener or holder, particularly one that clasps.
I always have a hard time working the clasp on this necklace!
(in the singular) An embrace, a grasp, or handshake.
He took her hand in a firm clasp.
To take hold of; to grasp; to grab tightly.
They clasped hands and parted as friends.
To shut or fasten together with, or as if with, a clasp.