lubricator

UK: /ˈluːbrɪˌkeɪtə/ US: (lo̅o̅′bri kā′tər)

WordReference Random House Unabridged Dictionary of American English © 2025

lu•bri•ca•tor  (lo̅o̅′bri kā′tər), n. 

1. a person or thing that lubricates.

• lubricate + -or² 1750–60

Collins Concise English Dictionary © HarperCollins Publishers::

lubricator / ˈluːbrɪˌkeɪtə/ noun

1. a person or thing that lubricates
2. a device for applying lubricant

WordReference Random House Learner's Dictionary of American English © 2025

lu•bri•cate /ˈlubrɪˌkeɪt/   v. [~ + object] , -cat•ed, -cat•ing. 

1. Mechanical Engineering to apply an oily or greasy substance to (something) in order to reduce friction; make slippery:
   lubricated the gears.
2. to cause to run smoother;
   ease:
   to lubricate relations between enemies.
3. Slang Terms to provide with liquor:
   They lubricated their guests with gin.

lu•bri•ca•tion /ˌlubrɪˈkeɪʃən/  n. [uncountable]
lu•bri•ca•tor, n. [countable]

WordReference Random House Unabridged Dictionary of American English © 2025

lu•bri•cate  (lo̅o̅′bri kāt′), v., -cat•ed, -cat•ing. 
v.t. 

1. to apply some oily or greasy substance to (a machine, parts of a mechanism, etc.) in order to diminish friction; oil or grease (something).
2. to make slippery or smooth;
   apply a lubricant to:
   to lubricate one's hands with a lotion.
3. to smooth over, as a difficulty or human relationship;
   ease:
   to lubricate the friction between enemies.
4. Slang Terms to provide with intoxicating drinks.
5. Slang Terms to bribe.

v.i. 

6. to act as a lubricant.
7. to apply a lubricant to something.
8. Slang Terms to drink or become drunk.

• Latin lūbricātus, past participle of lūbricāre to make slippery. See lubric, -ate¹
• 1615–25

lu′bri•ca′tion, n. 
lu′bri•ca′tion•al, adj. 
lu′bri•ca′tive, adj. 
lu•bri•ca•to•ry  (lo̅o̅′bri kə tôr′ē, -tōr′ē), adj.