lubricator noun. ['lu:brɪkeɪtǝ, 'lju:-] M18.
[from LUBRICATE + -OR.]
1. A lubricating substance; a lubricant; spec. (Photography, now rare) an agent for glazing prints before burnishing. M18.

2. A device for lubricating a machine or instrument. M19.

3. A person who lubricates. L19.

[TahlilGaran] English Dictionary ▲