SIS

n. sister, female sibling (Informal)

The initials SIS may stand for: Intelligence & security agenciesSecret Intelligence Service, UK intelligence agency, also known as MI6.Australian Secret Intelligence Service.Canadian Security Intelligence Service.New Zealand Security Intelligence Service.Slovenská informačná služba, Slovak Intelligence Service.Special Intelligence Service, a secret FBI intelligence agency operating in South America during World War II.Signals Intelligence Service, the former United States Army codebreaking division.Serviciul de Informaţii şi Securitate al Republicii Moldova, Information and Security Service of the Republic of Moldova.Serviços de Informações de Segurança, the Portuguese intelligence agency.
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Sis may refer to:An abbreviation of sister.Kozan, Adana, a city in Turkey.Silicon Integrated Systems (SiS), a semiconductor design and manufacturing company based in Taiwan.Sis, a GMA Network show in the Philippines. SIS, American University's School of International Service, located in Washington D.C.
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Silicon Integrated Systems (SiS, Traditional Chinese: 矽統科技) is a company that manufactures, among other things, motherboard chipsets. The company was founded in 1987 in Hsinchu Science Park, Taiwan.
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SI Système International d'Unités, or International System of Units. See SI unit, under unit. Si silicon. Si The symbol for the element silicon. [more]Sis - Community and Resources

Noun
1. a female person who has the same parents as another person; "my sister married a musician"
(synonym) sister
(hypernym) female sibling
(hyponym) big sister

n. SI, Sports Illustrated, weekly magazine that covers a variety of topics related to professional sports