1) Cooking technique 2) Round puff
Found on
https://www.crosswordclues.com/clue/smoke-ring
A smoke ring is a visible vortex ring formed by smoke in a clear atmosphere. Smokers may blow smoke rings from the mouth, intentionally or accidentally. Smoke rings may also be formed by sudden bursts of fire (such as lighting and immediately putting out a cigarette lighter), by shaking a smoke source (such as an incense stick) up and down, by fir...
Found on
http://en.wikipedia.org/wiki/Smoke_ring
No exact match found.
