lubricate
verb (used with object)
to apply some oily or greasy substance to (a machine, parts of a mechanism, etc.) in order to diminish friction; oil or grease (something).
Used to describe an ongoing action or continuous state that was happening at a specific time in the past.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
There was good compression; everything was lubricating nicely; no heating or sticking anywhere—but the engine had lain down on us.
From The Motormaniacs by Lloyd Osbourne