Substance to Reduce Friction, Especially in Cars

This page is the CodyCross answer for the clue below from Wild West, Group 424, Puzzle 2 (Buffalo Bill).

Question is: Substance to Reduce Friction, Especially in Cars

and the answer is: LUBRICANT

Word Meaning:

LUBRICANT — A substance used to reduce friction between objects or surfaces.

Definitions from Wiktionary.