dumbbell

Definitions


[ˈdʌmbɛl], (Noun)

Definitions:
- a short bar with a weight at each end, used typically in pairs for exercise or muscle-building
(e.g: lower the dumbbells to the sides of your head until your forearms are parallel to the floor)

- a stupid person


Phrases:

Origin:
early 18th century: originally denoting an apparatus similar to that used to ring a church bell (but without the bell, so noiseless or ‘dumb’); dumbbell (dating from the 1920s) is an extended use by association with dumb ‘stupid’




definition by Oxford Dictionaries