from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A removable metal covering for an engine, especially an aircraft engine.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A young or little cow; calf.
- n. A removable protective covering for the engine of an aircraft, motorcycle etc
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. protective covering consisting of a metal part that covers the engine
From cow + -ling. (Wiktionary)
From cowl + -ing. (Wiktionary)