双 shuāng pair
Made up of [又 yòu also; in addition; and radical 29]Alternative traditional form of character: 雙
Made with 4 strokes.
Appropriately the representation is of two hands, it used to include a pair of birds but that has been simplified. Measure word for anything that comes in pairs including shoes, socks and chopsticks.
Ancient small seal form 
Related characters
Also uses 又 yòu component: 报 bào (to announce) 度 dù (to pass) ; 对 duì (right) ; 发 fà (to send out) ; 反 fǎn (contrary) ; 服 fú (clothes) ; 汉 hàn (chinese) ; 欢 huān (merry) ; 及 jí (and) ; 鸡 jī (fowl) ; 艰 jiān (difficult) ; 难 nán (difficult) ; 取 qǔ (to take) ; 圣 shèng (holy) ; 受 shòu (to receive) ; 树 shù (tree) ; 友 yǒu (friend) ; 泽 zé (pool) ; 支 zhī (to support)
Pronunciation
Sound file kindly provided by shtooka.net ➚ under a Creative Commons Attribution Share Alike License
Cities
双鸭山 Shuangyashan, Heilongjiang双辽 Shuangliao, Jilin
Proverbs
双管齐下 shuāng guǎn qí xià To be able to do two things at once. The story is of a painter who was so skilled he could paint two pictures at the same time with a brush in either hand.一箭双雕 yī jiàn shuāng diāo Completing two (or more) tasks at the same time. A fortunate coincidence.
天下无双 tiān xià wú shuāng Something or someone with superlative skills.