dumbbell

n.	1.	An exercising weight, consisting of two spheres or spheroids, connected by a short bar for a handle; used (often in pairs) for gymnastic exercise.
	2.	an ignorant or foolish person.

Noun	1.	dumbbell - an exercising weight; two spheres connected by a short bar that serves as a handle
	2.	dumbbell - an ignorant or foolish person Synonyms: boob, booby, pinhead, dope, dummy

Boeotian, Indian club, barbell, block, clod, dimwit, dolt, donkey, dope, dullard, dullhead, dumb cluck, dummkopf, dummy, dunce, exerciser, gowk, horse, idiot, ignoramus, jobbernowl, lackwit, lamebrain, lightweight, long horse, looby, loon, moron, niais, nincompoop, ninny, ninnyhammer, nitwit, noddy, parallel bars, punching bag, put, rings, rowing machine, side horse, simpleton, stupid, thickwit, trampoline, trapeze, weight, witling