日式城堡中最為強固的部分。此類高塔式結構獨立搭建於其他建築之中，且有時座落於「本丸」一類的內部複合式建築內。天守可為獨立建築或連結其他同類型建築而搭建。若為西方歐式城堡中同類型的軍事防禦結構，則稱之為「城堡主樓」。

天守(P,,U,繁體中文-偏好,D,,)
t'ien shou (P,,U,韋氏拼音-偏好,UF,,)
tiān shǒu (P,,U,漢語拼音-偏好,UF,,)
tian shou (P,,U,漢語拼音(無聲調)-偏好,UF,,)
tenshu(P,,V,英文-偏好,D,L,PN)
tenshu(P,,V,Japanese-偏好,D,U,PN)
tenshukaku(,U,Japanese-非偏好,UF,U,N)
tenshuyagura(,U,Japanese-非偏好,UF,U,N)

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
........................<依建築種類區分之建築元素>
............................<堡壘建築元素>
................................天守

contextual thing(s) are....

本丸

英文....	The strongest and securist parts of Japanese castles, these tower-like structures were constructed both within other buildings and free-standing and were sometimes located within an inner compound called a "honmaru". They could exist alone or connected to other structures of the same type. For these types of fortification structures in western European castles, use "keeps".

天守............	[AS-Academia Sinica]
.................	AAT-Taiwan 借詞編輯與使用原則 (2013)
tenshu............	[VP]
.................	JAANUS [online] (2001-) accessed 13 November 2008
.................	Mason, History of Japanese Art (1993) 391
.................	Smith, Review of Tokyo: A spatial anthropology, Journal of Japanese Studies (1997)
tenshukaku............	[VP]
.................	JAANUS [online] (2001-) accessed 13 November 2008
tenshuyagura............	[VP]
.................	JAANUS [online] (2001-) accessed 13 November 2008
Subject:............	[VP]
.................	JAANUS [online] (2001-) accessed 13 November 2008
.................	Mason, History of Japanese Art (1993) 390
.................	Smith, Review of Tokyo: A spatial anthropology, Journal of Japanese Studies (1997)

Getty AAT: 300310678 Getty AAT: http://www.getty.edu/vow/AATFullDisplay?find=costume&logic=AND¬e=&subjectid=300310678
聯合目錄： 天守 、t'ien shou 、tiān shǒu 、tian shou 、tenshu 、tenshukaku 、tenshuyagura 、tenshu