dumbbell

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. an exercising weight;
two spheres connected by a short bar that serves as a handle (Freq. 4)
• Hypernyms:
weight, free weight, exercising weight
2. an ignorant or foolish person
• Syn:
dummy, dope, boob, booby, pinhead
• Derivationally related forms:
boob (for: boob), dopy (for: dope), dopey (for: dope)
• Hypernyms:
simpleton, simple