desk officer
- n a military officer who is not assigned to active duty
derogation
- n a communication that belittles somebody or something
- n (law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law
any derogation of the common law is to be strictly construed
derrick
- n a framework erected over an oil well to allow drill tubes to be raised and lowered
- n a simple crane having lifting tackle slung from a boom