From The Free On-line Dictionary of Computing (30 December 2018) :
left brace open brace {"{". ASCII character 123. Common names: open brace; left brace; left squiggly; left squiggly bracket/brace; left curly bracket/brace; ITU-T: opening brace. Rare: brace ("" = unbrace); curly ("}" = uncurly); leftit ("" = rytit); left squirrelly; INTERCAL: embrace ("" = bracelet). right+brace+("">Paired with right brace (""). (1995-03-16)