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]

Source: The Collaborative International Dictionary of English v.0.48
 

53 Moby Thesaurus words for "derrick": antenna tower, barbican, belfry, bell tower, campanile, colossus, column, crab, crane, cupola, dome, erector, fire tower, forklift, gantry crane, hoist, hydraulic tailgate, jack, jackscrew, lantern, lever, lift, lifter, lighthouse, martello, martello tower, mast, minaret, monument, obelisk, observation tower, pagoda, pilaster, pillar, pinnacle, pole, pylon, pyramid, shaft, skyscraper, spire, standpipe, steeple, stupa, tackle, television mast, tope, tour, tower, turret, water tower, windlass, windmill tower

Source: Moby Thesaurus II by Grady Ward, 1.0
 

derrick

Source: WordNet (r) 2.0
 

Derrick \Der"rick\, n. (Mining) The pyramidal structure or tower over a deep drill hole, such as that of an oil well.

Source: Webster's Revised Unabridged Dictionary (1913)
 

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.]

A mast, spar, or tall frame, supported at the top by stays or guys, with suitable tackle for hoisting heavy weights, as stones in building.

Derrick crane, a combination of the derrick and the crane, having facility for hoisting and also for swinging the load horizontally.

Source: Webster's Revised Unabridged Dictionary (1913)