This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A weight consisting of a short bar with a metal ball or disk at each end that is lifted for muscular development and exercise.

n. Slang A stupid person; a dolt.

n. A weight consisting of two disks or spheres attached to a short bar; used for exercise and weight training

n. A stupid person

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

n. an ignorant or foolish person.

n. One of a pair of weights, each consisting of two balls joined by a bar, intended to be swung in the hands for the sake of muscular exercise, made of iron, or for very light exercise of hard wood.

n. In bacterial., a diplococcus: so called from its shape.

n. an exercising weight; two spheres connected by a short bar that serves as a handle

n. an ignorant or foolish person

"Northgate included a single department store, but the standard arrangement, called a dumbbell plan, had two department stores, one at each end of a pedestrian promenade."

dumb-bell   

exercising weight    weight    free weight    simpleton    simple   

dumb-bell crystals    barbell   

dumbbell curve   

dummy    dope    boob    booby    pinhead   

dark-matter    newly-invented    6-in    pork-barrel    eyeo    topknot    banknote    saddle horse    self-luminous    pull-down