Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun derrick

2 senses of derrick

Sense 1
derrick -- (a framework erected over an oil well to allow drill tubes to be raised and lowered)
       => framework -- (a structure supporting or containing something)

Sense 2
derrick -- (a simple crane having lifting tackle slung from a boom)
       => crane -- (lifts and moves heavy objects; lifting tackle is suspended from a pivoted boom that rotates around a vertical axis)