A subsidiary structure or annexe attached to a wall of a main building, such as a shelter, a porch, a… A structure extending from the side of a…

A subordinate part of a building on one side of the main or central part. Also in extended use, any more or less separate section of a building…

An outlying portion of a range of mountains, buildings, etc. Obsolete. rare.

A thing which is annexed to another; an addition, an attachment; an adjunct, an appurtenance.

A wing, room, etc., added as an extension of an existing building.

In extended use: an addition; an added qualification. Obsolete. rare.

A subsidiary building joined to or associated with another (usually larger or more important) building, typically in order to provide additional…

Enlargement. concrete. An extended portion; esp. an additional section, a prolongation (of a railway, or the like). Also (originally U.S.), an…

gen. In plural. The outlying parts of a building, district, etc.