waft 
(wäft, wăft)
(wäft, wăft)v. waft·ed, waft·ing, wafts
v.tr.
To cause to go gently and smoothly through the air or over water: The breeze wafted the fog through the fields.
v.intr.
To float easily and gently, as on the air; drift: The smell of soup wafted from the kitchen.
n.
1. Something, such as an odor, that is carried through the air: a waft of perfume.
2. A light breeze; a rush of air: felt the waft of the sea breeze.
3. The act or action of fluttering or waving: the waft of her dress.
4. Nautical A flag used for signaling or indicating wind direction. Also called waif2.
[Back-formation from wafter, convoy ship, alteration of Middle English waughter, from Middle Dutch or Middle Low German wachter, a guard, from wachten, to guard; see weg- in the Appendix of Indo-European roots.]
wafter n.