n. a category falling within certain defined limits
n. either of two punctuation marks (`<' or `>') used in computer programming and sometimes used to enclose textual material
n. either of two punctuation marks ([ or ]) used to enclose textual material
n. a support projecting from a wall (as to hold a shelf)
n. 支架, 括弧, 托架
vt. 装托架, 括入括弧
[计] 方括号; 括号