gas
1. gas \'gas\ n or gas.es also gas.ses [NL, alter. of chaos air, fr. L,
chaos] pl 1: a fluid (as air) that has neither independent shape nor
volume but tends to expand indefinitely 2a: a gas or gaseous mixture with
the exception of atmospheric air : as 2a1: a gas or gaseous mixture used
to produce anesthesia 2a2: a combustible gaseous mixture (as for fuel)
2b: a substance that can be used to produce a poisonous, asphyxiating, or i
rritant atmosphere slang 3: empty talk : BOMBAST 4: GASOLINE
2. gas vb or gassed; or gas.sing 1a: to treat chemically with gas slang
2: to address with idle talk 3: to supply with gas or esp. gasoline {~ up
the automobile} 1: to give off gas slang 2: to talk idly 3: to fill the
tank (as of an automobile) with gasoline - often used wit h up