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1. A closely cropped haircut; usually for men or boys
   - crew cut, butch, buzz cut [N. Amer], butch cut
    
2. [US, informal] A large warship that carries planes and has a long flat deck for takeoffs and landings
   - aircraft carrier, carrier, attack aircraft carrier

1. Having a flat or flattened upper surface
   - flat-topped

Derived forms: flattops

See also: topped

Type of: combat ship, haircut, war vessel, warship

Encyclopedia: Flattop