能擺動、滑動、傾斜或合攏以關閉出入口的障礙物，通常為堅固且精緻的構造物，且往往通向內部空間，或用來區隔內部空間。亦可用於指稱關閉某容器或箱式家具的類似特徵物。若為較不堅固或細緻的構造物，且通常用以分隔兩個外部空間者，則稱「大門」。

門(P,,U,繁體中文-偏好,D,,)
men (P,,U,韋氏拼音-偏好,UF,,)
mén (P,,U,漢語拼音-偏好,UF,,)
men (P,,U,漢語拼音(無聲調)-偏好,UF,,)
doors(P,,U,英文-偏好,D,U,PN)
door(,U,英文-非偏好,AD,U,SN)
deuren(P,,U,荷蘭語-偏好,D,U,U)
deur(,U,荷蘭語-非偏好,AD,U,U)
porta(barriera per l'ingresso)　(P,,U,Italian-偏好,D,U,SN)
anta(porta)　(,U,Italian-非偏好,UF,U,U)
puertas(P,,U,西班牙語-偏好,D,U,PN)
puerta(,U,西班牙語-非偏好,AD,U,SN)

藝術與建築詞典根目錄
....物件層面
........組件 (層級名)
............成分
................<依特定背景區分之組件>
....................建築元素
........................<開口與開口結構>
............................開口
................................<依形式區分之開口>
....................................<門口與門口結構>
........................................<門口結構>
............................................<門與門的結構>
................................................門

distinguished from....

閘門

英文....	Barriers that swing, slide, tilt, or fold to close a doorway, usually of solid and finished construction and usually leading to or separating interior spaces. Use also for similar features that close a container or a piece of case furniture. For barriers of less solid or finished construction, and usually separating two exterior spaces, use "gates."
荷蘭語....	Barrières die draaien, schuiven, kantelen, of vouwen om een deuropening af te sluiten, meestal van een massieve en afgewerkte constructie en die meestal leiden naar binnenruimtes of die scheiden. Wordt ook gebruikt voor vergelijkbare elementen die een bak of een kast afsluiten. Voor minder massieve of afgewerkte constructies en die meestal twee buitenruimtes scheiden wordt 'hekken (poortonderdelen)' gebruikt.

門............	[AS-Academia Sinica]
.................	國家教育研究院－雙語詞彙、學術名詞暨辭書資訊網 June 21, 2012
.................	故宮後設資料需求規格書 23
.................	牛津當代大辭典 518
.................	建築學英漢辭典 123
doors............	[VP]
.................	CDMARC Subjects: LCSH (1988-)
.................	Smit, Means Illustrated Construction Dictionary (1985) illustration
.................	Putnam and Carlson, Architectural and Building Trades Dictionary (1974) illustration
.................	RIBA, Architectural Keywords (1982)
.................	RILA, Subject Headings (1975-1990)
.................	Avery Index (1963-)
door............	[VP]
.................	Chenhall, Revised Nomenclature (1988)
deuren............	[Bureau AAT]
.................	AAT-Ned (1994-)
deur............	[Bureau AAT]
.................	AAT-Ned (1994-)
porta(barriera per l'ingresso)............	[VP]
.................	ICCD database (1988-)
anta(porta)............	[VP]
.................	ICCD database (1988-)
puertas............	[CDBP-DIBAM]
.................	Comité, Plural del término en singular
puerta............	[CDBP-DIBAM]
.................	Ching, Diccionario Visual de Arquitectura (1997) 240
.................	Alvarez et al., Diccionario de la decoración (1968) 524
Subject:............	[Bureau AAT]
.................	Wilkes and Packard, Encyclopedia of Architecture (1989-90) illustration, Vol. 2, 671; panels
.................	CDMARC Subjects: LCSH (1988-) precoor.; Bronze doors, Byzantine
.................	RIBA, Architectural Keywords (1982) precoor; doors: revolving
.................	RILA, Subject Headings (1975-1990) precoor.; Medieval doors; Ottonian doors; Oriental doors; Byzantine doors; Romanesque doors; Early Christian doors
.................	Getty Vocabulary Program rules panels (door components)
.................	Van Dale Engels-Nederlands (1989)

Getty AAT: 300002803 Getty AAT: http://www.getty.edu/vow/AATFullDisplay?find=costume&logic=AND¬e=&subjectid=300002803
聯合目錄： 門 、men 、mén 、men 、doors 、door 、deuren 、deur 、porta 、anta 、puertas 、puerta