1
- each of a pair of marks(){}〈〉used to enclose words or figures so as to separate them from the context括号（(){}〈〉中的一个）：
symbols are given in brackets.
符号在括号中给出。
2
- with adj. or noun modifier a category of people or things that are similar or fall between specified limits同等级的人（或事）：
those in a high income bracket.
同属高收入阶层。
3
- a right-angled support attached to and projecting from a wall for holding a shelf, lamp, or other object（固定在墙上并从墙上成直角伸出, 用于安放搁板、灯或其他物体的）托架, 托座。
3.1
- a shelf fixed with such a support to a wall（固定在墙上有此种托架的）搁板, 架子。
3.2
the bracket
informal, dated a person's nose or jaw〈非正式, 旧〉鼻子; 下巴。
4
- Military the distance between two artillery shots fired either side of the target to establish range【军】夹叉射击（指为测距向目标试射的远弹和近弹）; 夹中目标（指夹叉射击时远近两弹落点间的距离）。
(bracketed, bracketing)with obj.
1
- （一般作be bracketed）place (one or more people or things) in the same category or group把…归入同一类; 将…相提并论：
he is sometimes bracketed with the 'new wave' of film directors.
他有时被归为“新潮派”导演。
2
- enclose (words or figures) in brackets把（词或数字）置于括号内：
as adj. bracketed the relevant data are included as bracketed points.相关数据都被放在括号里了。
2.1
- Mathematics enclose (a complex expression) in brackets to denote that the whole of the expression rather than just a part of it has a particular relation, such as multiplication or division, to another expression【数】用括号括。
2.2
- figurative surround or enclose (someone or something) physically〈喻〉包围; 把…容纳在内：
the lines of exhaustion bracketing his mouth.
因过度劳累而布满他嘴巴四周的皱纹。
2.3
- put (a belief or matter) aside temporarily暂不考虑; 放在一边：
he bracketed off the question of God himself.
他把上帝是否存在这个问题暂时撂到了一边。
3
- hold or attach (something) by means of a right-angled support给…装托架; 用托架托住：
pipes should be bracketed.
必须用托架托住管子。
4
- Military establish the range of (a target) by firing two preliminary shots, one short of the target and the other beyond it【军】采用夹叉射击测定目标距离。
4.1
- Photography establish (the correct exposure) by taking several pictures with slightly more or less exposure【摄】曝光量测定（以略高或略低的曝光量拍摄数张照片以便确定正确的曝光量）。
词源
late 16th cent.: from French braguette or Spanish bragueta 'codpiece， bracket， corbel'， from Provençal braga, from Latin braca, (plural) bracae 'breeches'.