1 section /ˈsɛkʃən/ noun
plural sections
1 section
plural sections
Learner's definition of SECTION
: one of the parts that form something
: a particular area that is part of a larger place
: a part of a newspaper, play, book, etc.
: a part of a group of people
[count] : one of several parts made so that something can be put together easily
[count] : a part of a band or orchestra that has instruments of a particular kind
[count] US : one of the parts of an orange, grapefruit, or similar fruit that can be easily separated from each other see color picture on this page
[count] medical : a layer cut from a part of the body
see also cesarean section
[noncount] : a diagram showing how something would look if it was cut from the top to the bottom : cross section
[count] mathematics : a shape that is made when a line cuts through a solid figure
[count] US : a piece of land that is one mile wide and one mile long
2 section /ˈsɛkʃən/ verb
sections; sectioned; sectioning
2 section
sections; sectioned; sectioning
Learner's definition of SECTION
[+ object]
: to divide (something) into parts
British : to officially send (a mentally ill person) to a psychiatric hospital

section off

[phrasal verb]
section (something) off or section off (something)
: to separate (an area) from a larger area