可拆卸的狹窄木板或金屬板，往下穿過船艇的底部以提高船身穩定性。若是安置於船體中殼或箱艙，依軸樞旋轉的類似板狀物，則稱為「中插板」。

中央板(P,,U,繁體中文-偏好,D,,)
船底(,U,繁體中文-非偏好,UF,U,U)
chung yang pan(P,,U,韋氏拼音-偏好,UF,U,U)
zhōng yāng bǎn(P,,U,漢語拼音-偏好,UF,U,U)
zhong yang ban(P,,U,漢語拼音(無聲調)-偏好,UF,U,U)
daggerboards(P,,U,英文-偏好,D,U,PN)
daggerboard(,U,英文-非偏好,AD,U,SN)
board, dagger(,U,英文-非偏好,UF,U,N)
boards, dagger(,U,英文-非偏好,UF,U,N)
dagger board(,U,英文-非偏好,UF,U,N)
dagger-board(,U,英文-非偏好,UF,U,N)
dagger boards(,U,英文-非偏好,UF,U,N)
dagger-boards(,U,英文-非偏好,UF,U,N)
steekzwaarden(scheepsonderdelen)　(P,,U,荷蘭語-偏好,D,U,U)

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>
....................<交通工具組件>
........................<依運輸工具種類區分之運輸工具結構>
............................<船艇元件>
................................中央板

distinguished from....

中插板

英文....	Narrow, removeable boards of wood or metal lowered through the bottom of watercraft to increase stability. For similar, pivoting boards mounted in a casing or trunk located amidships, use "centerboards."
荷蘭語....	Smalle, verwijderbare houten of metalen platen die worden neergelaten door de bodem van een vaartuig om de stabiliteit te verhogen. Gebruik 'kielzwaarden' voor soortgelijke, om een spil draaiende platen die midscheeps zijn gemonteerd in een behuizing of tussendekse koker.

中央板............	[AS-Academia Sinica]
.................	AAT-Taiwan 借詞編輯與使用原則 (2013)
船底............	[AS-Academia Sinica]
.................	AAT-Taiwan 借詞編輯與使用原則 (2013)
daggerboards............	[VP]
.................	Esterly, Early One-design Sailboats (1979) 127
.................	Glossary of Sailing Terms [online (1999) "daggerboards." Accessed 03/15/99.
.................	Random House Unabridged Dictionary (1993)
.................	Candidate term Candidate term -- MYSTIC --3/97
dagger boards............	[VP]
.................	Kerchove, International Maritme Dictionary (1961) 196
dagger-boards............	[VP]
.................	Kemp, Oxford Companion to Ships and the Sea (1976) 224
steekzwaarden(scheepsonderdelen)............	[Bureau AAT]
.................	AAT-Ned (1994-)
Subject:............	[Bureau AAT]
.................	Van Dale Groot Woordenboek (1998)

Getty AAT: 300263262 Getty AAT: http://www.getty.edu/vow/AATFullDisplay?find=costume&logic=AND¬e=&subjectid=300263262
聯合目錄： 中央板 、船底 、chung yang pan 、zhōng yāng bǎn 、zhong yang ban 、daggerboards 、daggerboard 、board, dagger 、boards, dagger 、dagger board 、dagger-board 、dagger boards 、dagger-boards 、steekzwaarden