derrick /derˈik/

1. An arrangement for hoisting materials, by a boom hung from a central post
2. A framework or tower over a borehole or the like

To luff (the jib of a crane)

• unpegging
• unpegs
• unpen
• unpenned
• unpennied
• unpenning
• unpens
• unpensioned
• unpent
• unpeople
• unpeopled
• unpeoples
• unpeopling
• unpeppered
• unperceivable
• unperceivably
• unperceived
• unperceivedly
• unperceptive
• unperch
• unperched
• unperches
• unperching
• unperfect
• unperfected