A thick fatty oil (especially one used to lubricate machinery).

synonym: grease.

Roget 332: smoothness etc. 255; unctuousness etc. 355.    lubrication, lubrification^†; anointment; oiling etc. v.. synovia [Anat.]; glycerine, oil, lubricating oil, grease etc. 356; saliva; lather.    teflon.    ... show more

Dutch: olie, smeer, smeermiddel, smeersel, smeervet, strijksel, vet
Polish: olej smarowy