Annexe

to attach, append, or add, especially to something larger or more important.
to incorporate (territory) into the domain of a city, country, or state:
germany annexed part of czechoslovakia.
to take or appropriate, especially without permission.
to attach as an attribute, condition, or consequence.
something annexed.
a subsidiary building or an addition to a building:
the emergency room is in the annex of the main building.
something added to a doc-ment; appendix; supplement:
an annex to a treaty.
historical examples

it was all that he had to offer, and it was on the top floor of an annexe, the decoration of which was not yet completed.
here and hereafter barry pain

now there is a water-b-tt at the junction of the annexe and the main building.
a floating home cyril ionides

only we must wait till a day when my husband’s over at the annexe; he doesn’t like my changing things about.
wanderers knut hamsun

what he dreaded most were the cl-sses which were held twice a week in an annexe of the college.
the quaint companions leonard merrick

after our meal in the long public room, newly built as an annexe, we strolled into the grounds for a smoke.
the secrets of potsdam william le queux

these would hardly add to the beauty either of the annexe or the studio.
a case in camera oliver onions

the post-office is an annexe of the grocer’s where the sardines come from on jane’s cinema evening.
once a week alan alexander milne

suddenly i rose, left the studio, and strode through the annexe.
a case in camera oliver onions

the irish party had now become little better than an annexe of liberalism.
ireland since parnell daniel desmond sheehan

we p-ssed the annexe church, a couple of wayside stores, and farm after farm.
wanderers knut hamsun

noun

an extension to a main building
a building used as an addition to a main building nearby

something added or annexed, esp a supplement to a doc-ment
verb (transitive) (æˈnɛks)
to join or add, esp to something larger; attach
to add (territory) by conquest or occupation
to add or append as a condition, warranty, etc
to appropriate without permission
noun (ˈænɛks)
a variant spelling (esp us) of annexe
noun

see annexure
v.

late 14c., “to connect with,” from old french annexer “to join” (13c.), from medieval latin annexare, frequentative of latin annecetere “to bind to,” from ad- “to” (see ad-) + nectere “to tie, bind” (see nexus). almost always meaning “to join in a subordinate capacity.” of nations or territories, c.1400. related: annexed; annexing.
n.

1540s, “an adjunct, accessory,” from french annexe, from annexer (see annex (v.)). meaning “supplementary building” is from 1861.