1. Having stiff muscles as the result of excessive exercise
   "he arrived accompanied by two muscle-bound body guards"

See also: inflexible

• radio beam
• radio brightness
• radio broadcast
• radio button
• radio chassis
• radio compass
• radio detection and ranging
• radio emission
• radio frequency
• radio interferometer
• radio link
• radio news
• radio noise
• radio observation
• radio operator
• radio radiation
• radio receiver
• radio reflector
• radio set
• radio signal
• radio source
• radio spectrum
• radio station
• radio telescope
• radio transmitter