"oilers" in the noun sense
a worker who oils engines or machinery
2. oil well, oiler
a well that yields or has yielded oil
3. oil tanker, oiler, tanker, tank ship
a cargo ship designed to carry crude oil in bulk
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License