double fault (tennis) two successive faults in serving resulting in the loss of the point
double flat a musical notation of two flats in front of a note indicating that it is to be lowered by two semitones
double salt a solution of two simple salts that forms a single substance on crystallization
double-faced (of fabrics) having faces on both sides
pole vault a competition that involves jumping over a high crossbar with the aid of a long pole
double gold very tall branching herb with showy much-doubled yellow flower heads
Denali Fault a major open geological fault in Alaska
double first a first-class honours degree in two subjects
table salt white crystalline form of especially sodium chloride used to season and preserve food
default an option that is selected automatically
double talk deliberately unintelligible gibberish
double eagle a former gold coin in the United States worth 20 dollars
double feature two games instead of one
doubtful fraught with uncertainty
double agent a spy who works for two mutually antagonistic countries
football field the playing field on which football is played
double digit a two-digit integer; from 10 to 99
double blind a test procedure in which the identity of those receiving the intervention is concealed from both the administrators and the subjects until after the test is completed; designed to reduce or eliminate bias in the results
double date a date in which two couples participate
doublet a man's close-fitting jacket, worn during the Renaissance