waft /wɑːft, wɒft $ wɑːft, wæft/ BrE AmE verb
[ Date: 1600-1700 ; Origin: waft 'to guard a group of ships as they sail along' (16-17 centuries) , from Middle Dutch wachten 'to watch, guard' ]
1 . [intransitive, transitive always + adverb/preposition] if a smell, smoke, or a light wind wafts somewhere, or if something wafts it somewhere, it moves gently through the air
waft up/through/over etc
Cooking smells wafted up from downstairs.
2 . [intransitive always + adverb/preposition] if sounds waft somewhere, you hear them there and they are pleasant but not very loud
waft up/through/over etc
The sound of laughter wafted through the open window.
⇨ drift