grease

GREASE noun

[ U ] uk/ɡriːs/ us grease noun [U]
(ENGINE)

a substance like thick oil that is put on parts in an engine or machine to make them move more smoothly

смазка

grease verb [ T ] uk/ɡriːs/ us
to put fat or oil on or in something

смазывать жиром
Grease the pan before pouring in the cake mixture.