*derr*

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. peódric, 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 ]

a. Daring or warlike. [ Obs. ] [ 1913 Webster ]

Drad for his derring doe and bloody deed. Spenser. [ 1913 Webster ]

n. brave and heroic deeds. [ WordNet 1.5 ]

n. [ From the American inventor. ] A kind of short-barreled pocket pistol, of very large caliber, often carrying a half-ounce ball. [ 1913 Webster ]

n. [ Supposed to be brought from Guelderland; hence, D. Geldersche roos, G. Gelderische rose, F. rose de Gueldre, It. rose di Gueldra, Sp. rosa de Gueldres. ] (Bot.) A cultivated variety of a species of Viburnum (V. Opulus), bearing large bunches of white flowers; -- called also snowball tree.

v. t. To rate too low; to rate below the value; to undervalue. Burke. [ 1913 Webster ]

n. A price less than the value; as, to sell a thing at an underrate. Cowley. [ 1913 Webster ]

v. t. To reckon below what is right or proper; to underrate. Bp. Hall. [ 1913 Webster ]