(medicine) Acronym of sudden infant death syndrome.

Small Island Developing States.

plural of SID

A short form of the male given names Sidney and Siddhartha. / Alternative form of Syd (“unisex given name”). / A minor river in East Devon, England, which flows into the English Channel at Sidmouth.

(slang) sadiki

(computing, Microsoft Windows) Abbreviation of security identifier. / (computing) Sound Interface Device, a sound chip used in some early computers.

Eye dialect spelling of side.