n.
Pronunciation: ' d ə -b ə l
Function: adjective
Etymology: Middle English, from Anglo-French duble, double, from Latin duplus (akin to Greek diploos ), from duo two + -plus multiplied by; akin to Old English -feald -fold ― more at TWO , -FOLD
Date: 13th century
1 : having a twofold relation or character : DUAL
2 : consisting of two usually combined members or parts <an egg with a double yolk>
3 a : being twice as great or as many < double the number of expected applicants> b of a coin : worth two of the specified amount <a double eagle> <a double crown>
4 : marked by duplicity : DECEITFUL
5 : folded in two
6 : of extra size, strength, or value <a double martini>
7 : having more than the normal number of floral leaves often at the expense of the sporophylls
8 of rhyme : involving correspondence of two syllables (as in exciting and inviting )
9 : designed for the use of two persons <a double room> <a double bed>
– dou · ble · ness noun