[sigh] vb [ME sihen, alter. of sichen, fr. OE sican; akin to MD versiken to sigh] vi (13c) 1: to take a deep audible breath (as in weariness or relief)
2: to make a sound like sighing "wind ~ing in the branches"
3: grieve, yearn "~ing for days gone by" ~ vt 1: to express by sighs
2. archaic: to utter sighs over: mourn -- sigh.er n
[2]sigh n (14c) 1: an often involuntary act of sighing esp. when expressing an emotion or feeling (as weariness or relief)
2: the sound of gently moving or escaping air "~s of the summer breeze"