double fault

noun
1.
(in tennis, squash, handball, etc.) two faults in succession, resulting in the loss of the point, the loss of the serve, or both.
Origin
1905-10
Examples from the web for double fault
  • She gets broken for the second time on a double fault, her seventh of the match.
British Dictionary definitions for double fault

double fault

noun
1.
the serving of two faults in succession, thereby losing a point
verb
2.
(intransitive) to serve a double fault