1
- any of the more or less distinct parts into which something is or may be divided or from which it is made up部分。
1.1
- a relatively distinct part of a book, newspaper, statute, or other document（书或报纸的）段落, 章节; （法律等文件的）款, 项。
1.2
- N. Amer. a measure of land, equal to one square mile〈北美〉一平方英里面积。
1.3
- chiefly US a particular district of a town〈主美〉（城镇的）区域, 地段。
1.4
- NZ a building plot〈新西兰〉建房用地。
2
- a distinct group within a larger body of people or things派别; 部门; 处; 科; 股：
the non-parliamentary section of the party.
该党的非议会派。
2.1
- a group of players of a family of instruments within an orchestra（管弦乐队中的）乐器组：
the brass section.
铜管乐器组。
2.2
- in names a specified military unit（军队的）特定单位：
a GHQ Signals Section.
总司令部信号科。
2.3
- a subdivision of an army platoon分排, 小队。
2.4
- Biology a secondary taxonomic category, especially a subgenus【生】组（尤指亚属）。
3
- mass noun the cutting of a solid by or along a plane横切。
3.1
- the shape resulting from cutting a solid along a plane截面, 断面。
3.2
- count noun a representation of the internal structure of something as if it has been cut through vertically or horizontally横切面, 剖面。
3.3
- count noun Surgery a separation by cutting【外科】切开。
3.4
- count noun Biology a thin slice of plant or animal tissue prepared for microscopic examination【生】（用于显微观察的植物或动物组织的）切片。
with obj.
1
- divide into sections将…分成几部分; 给…分区：
she began to section the grapefruit.
她开始掰开葡萄柚。
1.1
section something off
separate an area from a larger one将…隔开：parts of the curved balcony had been sectioned off with wrought-iron grilles.
部分弧形阳台已经用熟铁条隔开了。
1.2
- Biology cut (animal or plant tissue) into thin slices for microscopic examination【生】将（动植物组织）切成切片。
1.3
- Surgery divide by cutting【外科】切开：
it is common veterinary practice to section the nerves to the hoof of a limping horse.
把跛马的马蹄神经切开是兽医的通常做法。
2
- （常作be sectioned）Brit. commit (someone) compulsorily to a psychiatric hospital in accordance with a section of a mental health act〈英〉（根据精神病法）将…强制关进精神病院：
should she be sectioned and forced back into hospital?
是否应将她强行送回精神病院？
派生词
sectioned
adjective截面为方形的铁钉。
词源
late Middle English (as a noun)： from French section or Latin sectio（n-）, from secare 'to cut'. The verb dates from the early 19th cent.