v. & n.
v. 1 intr. & tr. (of the wind) blow lightly, shift about. 2 intr. be variable or evasive. 3 intr. (of a flame, leaves, etc.) flicker, flutter. 4 intr. make the sound of a light wind in breathing etc.
n. a slight movement of air. whiffler n.
[ WHIFF + -LE(4) ]