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Definition 2025

caiseal

caiseal

Irish

Noun

caiseal m ‎(genitive singular caisil, nominative plural caisil)

(ancient) stone fort
unmortared stone wall
(of church, cemetery) boundary wall
‘clamp’, built-up sods, on stack of turf
(chess) rook, castle
(architecture, of column) cincture
spinning top

Declension

Declension of caiseal

First declension

Bare forms:

Case	Singular	Plural
Nominative	caiseal	caisil
Vocative	a chaisil	a chaiseala
Genitive	caisil	caiseal
Dative	caiseal	caisil

Forms with the definite article:

Case	Singular	Plural
Nominative	an caiseal	na caisil
Genitive	an chaisil	na gcaiseal
Dative	leis an gcaiseal don chaiseal	leis na caisil

Derived terms

Terms derived from caiseal

caisealach ‎(“castellated”, adjective)
caisealta ‎(“walled, fortified”, adjective)

caiseal tosaigh ‎(“forecastle”)
caiseal uchta ‎(“breastwork”)

caisleán ‎(“castle; mansion; cumulus”)

See also

Chess pieces in Irish · fir fichille (layout · text)

rí	banríon	caiseal	easpag	ridire	ceithearnach, fichillín

Mutation

Irish mutation
Radical	Lenition	Eclipsis
caiseal	chaiseal	gcaiseal
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

References

"caiseal" in Foclóir Gaeilge-Béarla, An Gúm, 1977, by Niall Ó Dónaill.
“caisel” in Dictionary of the Irish Language, Royal Irish Academy, 1913–76.