Revolving Shaft on a Boat or an Early Aircraft

This page is the CodyCross answer for the clue below from Games, Group 943, Puzzle 2 (Challenges).

Question is: Revolving Shaft on a Boat or an Early Aircraft

and the answer is: PROPELLER

Word Meaning:

PROPELLER — One who, or that which, propels.

Definitions from Wiktionary.

Revolving Shaft On A Boat Or An Early Aircraft - Games CodyCross Answers | CodyCross Solutions