1. The overground drive for a reciprocating piston pump installed at a borehole (e.g. an oil well)
   - nodding donkey

Encyclopedia: Pump jack

• Dragunov
• dragée
• drain
• drain basket
• drain the cup
• drainage
• drainage area
• drainage basin
• drainage ditch
• drainage system
• drainboard
• drained
• drainer
• draining
• draining board
• drainpipe
• drainplug
• drake
• dram
• drama
• drama critic
• drama queen
• Dramamine
• dramatic
• dramatic art