[ˌriːˈdʌbl], (Verb)

Definitions:
- make or become much greater, more intense, or more numerous
(e.g: we will redouble our efforts to reform agricultural policy)


Phrases:

Origin:
late Middle English: from French redoubler, from re- ‘again’ + doubler ‘to double’. The noun dates from the early 20th century

[ˌriːˈdʌbl], (Noun)

Definitions:
- a call that doubles a bid already doubled by an opponent
(e.g: this is a textbook position in which to use the SOS redouble)


Phrases:

Origin:
late Middle English: from French redoubler, from re- ‘again’ + doubler ‘to double’. The noun dates from the early 20th century