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n. Chiefly British
Variant of annex.
a. an extension to a main building
b. a building used as an addition to a main building nearby
2. something added or annexed, esp a supplement to a document
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|Noun||1.||annexe - an addition that extends a main building|
addition, add-on, improver - a component that is added to something to improve it; "the addition of a bathroom was a major improvement"; "the addition of cinnamon improved the flavor"
building, edifice - a structure that has a roof and walls and stands more or less permanently in one place; "there was a three-story building on the corner"; "it was an imposing edifice"
ell - an extension at the end and at right angles to the main building