1. Having gears engaged
   "the car is in gear"

See also: geared

• call option
• call the shots
• call the tune
• call to order
• call up
• call waiting
• call-board
• call-in
• call-out
• calla
• calla lily
• Calla palustris
• callable
• Callaghan
• Callas
• callathump
• callback
• caller
• caller ID
• caller-out
• caller-up
• calliandra
• Callicebus
• calligraph
• calligrapher