1. An idle talker; a babbler; a prater 
2. A wrangling, noisy fellow

Derived forms: janglers

• contriver
• control
• control account
• control board
• control center
• control centre
• control character
• control circuit
• control condition
• control experiment
• control freak
• control function
• control grid
• control key
• control operation
• control panel
• control rod
• control room
• control stick
• control stock
• control surface
• control system
• control tower
• controllability
• controllable