sib
noun
[ sɪb ]
• a brother or sister; a sibling.
• a group of people recognized by an individual as his or her kindred.
Origin:
Old English‘related by birth or descent’, of unknown origin. Modern senses date from the late 19th and early 20th centuries.
SIB
abbreviation
• Securities and Investment Board, a regulatory body that oversees London's financial markets.
