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sec‧tion‧al

1 concerned only with your own small group in society or in an organization, as opposed to being concerned about society or the institution as a whole :
2TBC a sectional drawing or view of something shows what it would look like if it were cut from top to bottom, or from side to side :
a sectional view of the building
a sectional view of the building3 made up of sections that can be put together or taken apart :
a sectional sofa
a sectional sofa