1 relating to or denoting two
3 (in the grammar of Old English, Ancient Greek, and certain other languages) denoting a form of a word indicating that exactly two referents are being referred to
4 (Maths, logic) (of structures or expressions) having the property that the interchange of certain pairs of terms, and usually the distribution of negation, yields equivalent structures or expressions
b a dual form of a word (C17: from Latin dualis concerning two, from duo two)
1 the alliance between France and Russia (1893--1917)
2 the secret Austro-German alliance against Russia (1879) later expanded to the Triple Alliance
n (Brit) a road on which traffic travelling in opposite directions is separated by a central strip of turf, etc., (U.S. and Canadian name)
n the monarchy of Austria-Hungary from 1867 to 1918
adj having or serving two functions
English Collins Dictionary - English Definition & Thesaurus
To add entries to your own vocabulary, become a member of Reverso community or login if you are already a member.
It's easy and only takes a few seconds:
- Create your own vocabulary list
- Contribute to the Collaborative Dictionary
- Improve and share your linguistic knowledge
"Collins English Dictionary 5th Edition first published in 2000 © HarperCollins Publishers 1979, 1986, 1991, 1994, 1998, 2000 and Collins A-Z Thesaurus 1st edition first published in 1995 © HarperCollins Publishers 1995"