以一對等長的橫向轉軸所連結的對尺，永遠保持平行，為航海時用來轉換平行線的工具。另外用來畫平行線，固定在製圖板上，並沿著製圖板移動的製圖工具，則稱「平行尺」。

平行規(航海工具)　(P,,U,繁體中文-偏好,D,,)
平行尺(航海工具)　(,U,繁體中文-非偏好,UF,U,U)
p'ing hsing kuei(P,,U,韋氏拼音-偏好,UF,U,U)
píng xíng guī(P,,U,漢語拼音-偏好,UF,U,U)
ping xing gui (P,,U,漢語拼音(無聲調)-偏好,UF,U,U)
parallel rulers(navigational tools)　(P,,U,英文-偏好,D,U,PN)
parallel ruler(navigational tool)　(,U,英文-非偏好,AD,U,SN)
parallel rules(navigational tools)　(,U,英文-非偏好,UF,U,N)
ruler, parallel(navigational tool)　(,U,英文-非偏好,UF,U,N)
rulers, parallel(navigational tools)　(,U,英文-非偏好,UF,U,N)
parallellinialen(P,,U,荷蘭語-偏好,D,U,U)
parallelliniaal(,U,荷蘭語-非偏好,AD,U,U)
reglas paralelas(P,,U,西班牙語-偏好,D,U,PN)
regla paralela(,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
........裝備與設備
............測量儀器 (層級名)
................測量裝置 (器械)
....................<程度範圍之測量儀器>
........................<距離測量儀器>
............................<直線距離測量儀器>
................................尺 (測量儀器)
....................................平行規 (航海工具)

distinguished from....

平行尺

英文....	Describes a pair of rulers connected by two pivoting cross pieces of equal length set so that the rulers always remain parallel to each other; used as navigational tools for transferring parallel lines. For drafting tools used to draw parallel lines and affixed to and guided along drafting boards, use "parallel rules."
荷蘭語....	Wordt gebruikt voor twee linialen die aan elkaar vastzitten met twee draaiende kruisstukken van dezelfde lengte die zo zijn geplaatst dat de linialen altijd evenwijdig zijn aan elkaar. Worden gebruikt als navigatiehulpstukken om evenwijdige lijnen te verplaatsen. Gebruik @'parallel rules' voor tekengerei dat wordt gebruikt om evenwijdige lijnen te tekenen en is bevestigd aan en wordt gebruikt op tekenborden.

平行規(航海工具)............	[AS-Academia Sinica]
.................	建築學英漢辭典 312
平行尺(航海工具)............	[AS-Academia Sinica]
.................	國家教育研究院－雙語詞彙、學術名詞暨辭書資訊網 April 3, 2012
parallel rulers(navigational tools)............	[VP]
.................	McGraw-Hill Dictionary of Scientific and Technical Terms (1978)
.................	Random House Dictionary of the English Language (1987)
parallel ruler(navigational tool)............	[VP]
.................	Getty Vocabulary Program rules
parallel rules(navigational tools)............	[VP]
.................	1987 Charaette Catalog illustration, 115; parallel rules
.................	Diagram Group and Midgley, Handtools of Arts and Crafts (1981) illustration, 23; parallel rules
.................	Getty Vocabulary Program rules
ruler, parallel(navigational tool)............	[VP]
.................	Chenhall, Revised Nomenclature (1988)
rulers, parallel(navigational tools)............	[VP]
.................	Getty Vocabulary Program rules
parallellinialen............	[Bureau AAT]
.................	AAT-Ned (1994-)
parallelliniaal............	[Bureau AAT]
.................	AAT-Ned (1994-)
reglas paralelas............	[VP]
.................	TAA database (2000-)
regla paralela............	[VP]
.................	Robb, Diccionario para Ingenieros (1979)
.................	TAA database (2000-)
Subject:............	[Bureau AAT]
.................	Polytechnisch woordenboek En-Ne (1991)

Getty AAT: 300229702 Getty AAT: http://www.getty.edu/vow/AATFullDisplay?find=costume&logic=AND¬e=&subjectid=300229702
聯合目錄： 平行規 、平行尺 、p'ing hsing kuei 、píng xíng guī 、ping xing gui 、parallel rulers 、parallel ruler 、parallel rules 、ruler, parallel 、rulers, parallel 、parallellinialen 、parallelliniaal 、reglas paralelas 、regla paralela