either of two punctuation marks ([ or ]) used to enclose textual material
either of two punctuation marks (`<' or `>') used in computer programming and sometimes used to enclose textual material
a support projecting from a wall (as to hold a shelf)
place into brackets
how long something has existed
an era of history having some distinctive feature
a time of life (usually defined in years) at which some particular qualification or power arises
grow old or older
