Main Entry: ¹dou·ble

Pronunciation: \ˈdə-bəl\

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