greasegrease /griːs/ verb informal1grease somebody’s palm to give someone money in a secret or dishonest way in order to persuade them to do somethingThe chairman finally admitted that he, too, was forced to grease a few palms along the way.
2grease the wheels to help a person, organization, system etc to work better, especially in order to get an advantageBy exempting pension funds and unit trusts from income tax, the chancellor has done a lot to grease the wheels of the City’s securities business.