Old-Fashioned Light Source, Burns Something Greasy

This page is the CodyCross answer for the clue below from Small World, Group 681, Puzzle 4 (Russian Dolls).

Question is: Old-Fashioned Light Source, Burns Something Greasy

and the answer is: OILLAMP

Word Meaning:

OIL LAMP — A simple vessel used to produce light continuously for a period of time from a liquid fuel source, especially lamp oil.

Definitions from Wiktionary.