http://en.wikipedia.org/wiki/Bracket
( )
— parentheses, brackets (UK, Canada, New Zealand, and Australia), parens, round brackets, soft brackets, or circle brackets[ ]
— square brackets, closed brackets, hard brackets, or brackets (US){ }
— braces (UK and US), flower brackets (India), French brackets, curly brackets, definite brackets, swirly brackets, curly braces, birdie brackets, Scottish brackets, squirrelly brackets, gullwings, seagulls, squiggly brackets, twirly brackets, Tuborg brackets (DK), accolades (NL), pointy brackets, or fancy brackets⟨ ⟩
— pointy brackets, angle brackets, triangular brackets, diamond brackets, tuples, or chevrons< >
— inequality signs, pointy brackets, or brackets. Sometimes referred to as angle brackets, in such cases as HTML markup. Occasionally known as broken brackets or brokets.⸤ ⸥; 「 」
— corner brackets