re|dou´ble|ment

re|dou|ble «ree DUHB uhl», verb, -bled, -bling, noun.

–v.t.

1. to double again: »

After a long diet, he redoubled his weight in a month by eating cakes and pies.

2. to increase greatly; double: »

When he saw land ahead, the swimmer redoubled his speed.

3. to repeat; echo.

4. (in games) to double (an opponent's double).

–v.i.

1. to double back: »

The fox redoubled on his trail to escape the hunters.

2. to be doubled; become twice as great: »

The clamour redoubled when it was known that the convert…had accepted the Deanery of Saint Paul's (Macaulay).

3. to resound: »

A stunning clang of massive bolts redoubling beneath the deep (Shelley).

–n.

the act of redoubling; a double of a double.

╂[< Middle French redoubler < re- re- + doubler to double]

–re|dou´ble|ment, noun.