The Collaborative International Dictionary
Separating funnel
Separating \Sep"a*ra`ting\, a. Designed or employed to separate.
Separating funnel (Chem.), a funnel, often globe-shaped, provided with a stopcock for the separate drawing off of immiscible liquids of different specific gravities.
Wiktionary
separating funnel
n. a piece of laboratory glassware in which the components of a mixture are partitioned between two immiscible liquids