[v] release from mental strain, tension, or formality; "unbend the mind from absorbing too much information"
[v] become less tense, rest, or take one's ease; "He relaxed in the hot tub"; "Let's all relax after a hard day's work"
[v] make less tight; "relax the tension on the rope"
[v] free from flexure, as of a bow
[v] unfasten, as a sail, from a spar or a stay
[v] straighten up or out; make straight