What does "lubricator" mean?

A device that lubricates, that applies lubricant.

Lubricator

Common synonyms include: greaser, lube, lubricant, lubricating substance, lubrication device, lubricator operator.

noun

noun ·Rare ·Advanced level

Noun

1
A device that lubricates, that applies lubricant.
"The mystery of the dripping lubricators was also explained to him."
2
a substance capable of reducing friction by making surfaces smooth or slippery wordnet
3
A person employed to lubricate.

"The mystery of the dripping lubricators was also explained to him."

From lubricate + -or.