what is fume
1 In common usage, more usually fumes, a gas or vapor that smells strongly or is dangerous to inhale. 2  Pere Fume (21st century), Canadian musician. 3  Silica fume, a fine-grain, thin, and very high surface area silica. 4  Fume (grape) , another name for the French wine grape Sauvignon blanc.ume or fumes may refer to: 1  In common usage, more usually fumes, a gas or vapor that smells strongly or is dangerous to inhale. 2  Pere Fume (21st century), Canadian musician.