derrick
NounWordNet 3.0
Noun (2)
- a framework erected over an oil well to allow drill tubes to be raised and lowered
- a simple crane having lifting tackle slung from a boom
Webster's Dictionary (GCIDE)
Derrick \Der"rick\, n. [Orig., a gallows, from a hangman named Derrick. The name is of Dutch origin; D. Diederik, Dierryk, prop. meaning, chief of the people; cf. AS. pe['o]dric, E. Theodoric, G. Dietrich. See Dutch, and Rich.]
1.A mast, spar, or tall frame, supported at the top by stays or guys, and usually pivoted at the base, with suitable tackle for hoisting heavy weights, such as stones in building. [1913 Webster]
2.(Mining) The pyramidal structure or tower over a deep drill hole, such as that of an oil well (also called an oil derrick . [Webster 1913 Suppl. +PJC]
Derrick crane, a combination of the derrick and the crane, having facility for hoisting and also for swinging the load horizontally. [1913 Webster]