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

Encyclopedia: Pump jack

• corrupting
• corruption
• corruptive
• corruptly
• corruptness
• corsage
• corsair
• Corse
• corselet
• corset
• Corsica
• Corsican
• Corsican Army
• corsing
• corslet
• Cortaderia
• Cortaderia richardii
• Cortaderia selloana
• Cortef
• Cortes
• cortex
• Cortez
• cortical
• cortical area
• cortical cataract