lubricator

lubricate +‎ -or

lubricator (plural lubricators)

1. A device that lubricates, that applies lubricant.
   • 1913, Arthur Conan Doyle, “(please specify the page)”, in The Poison Belt […], London; New York, N.Y.: Hodder and Stoughton, →OCLC:

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

   • 1951 March, “British Railways Standard "Britannia" Class 4-6-2 Locomotives”, in Railway Magazine, page 186:

     Valve and cylinder lubrication is by atomised oil delivered by mechanical lubricators.

   • 1962 December, “Talking of Trains: Rail and flange lubrication”, in Modern Railways, page 372:

     The uniformity of the wheel diameters of diesel and electric locomotives and m.u. trains impairs the spreading of grease from one point fed by the lubricator and the growing traffic of m.u. trains and railcars has increased the need for lubrication and for check rails in certain places. The newer types of rail lubricator apply the grease at four or five points spaced so that the entire wheel flange is greased and even distribution ensured; [...].

2. A person employed to lubricate.

• flange lubricator

lūbricātor

1. second/third-person singular future passive imperative of lūbricō

Borrowed from German Lubrikator or French lubricateur.

lubricator n (plural lubricatoare)

1. lubricator