the world > space > relative position > posture > act of drawing body into compact form > drawn into compact form [verb (transitive)] > clench > unclench (3)
transitive. To relax or open (one's tightly closed hand, fist, etc.); = unclench, v. 2b. Also figurative.
transitive. To relax or open (one's fist, jaws, teeth, etc.). Also figurative.