uillinn

Irish

Etymology

From Old Irish uilen (“elbow, forearm; angle, corner”).

Noun

uillinn f (genitive singular uillinne or uilne or uilleann, nominative plural uilleannacha or uilneacha)

(anatomy) elbow
ar uillinn (duine) ― at (someone)'s elbow
1. elbow-shaped bend; corner, angle
2. (mathematics) angle

Usage notes

The normal genitive is uillinne, but in certain contexts it is uilleann.

Declension

Declension of uillinn

Second declension

Bare forms

Case	Singular	Plural
Nominative	uillinn	uilleannacha
Vocative	a uillinn	a uilleannacha
Genitive	uillinne	uilleannacha
Dative	uillinn	uilleannacha

Forms with the definite article

Case	Singular	Plural
Nominative	an uillinn	na huilleannacha
Genitive	na huillinne	na n-uilleannacha
Dative	leis an uillinn don uillinn	leis na huilleannacha

Alternative declension

Declension of uillinn

Second declension

Bare forms

Case	Singular	Plural
Nominative	uillinn	uilneacha
Vocative	a uillinn	a uilneacha
Genitive	uilne	uilneacha
Dative	uillinn	uilneacha

Forms with the definite article

Case	Singular	Plural
Nominative	an uillinn	na huilneacha
Genitive	na huilne	na n-uilneacha
Dative	leis an uillinn don uillinn	leis na huilneacha

Derived terms

Terms derived from uillinn

an uillinn a thabhairt do dhuine (“to elbow, nudge, someone”)
bíomal uillinne (“angle-brace”)
cathaoir uilleann (“arm-chair”)
frithuillinn (“return angle”)
iarann uillinne (“angle-iron”)
píb uilleann (“uilleann pipes”)

treo-uillinn (chompáis) (“(compass) bearing”)
uillinn airde (“angle of elevation”)
uillinn ar bhóthar (“sharp turn, elbow, in road”)
uillinn ar uillinn, in uillinn a chéile (“arm in arm”)
uillinn ghéar (“acute angle”)
uillinn istigh (“interior angle”)

uillinn píopa (“elbow of pipe”)
uillinn sceabhach (“oblique angle”)
uillinn teagmhála (“contact angle”)
uillinn theorantach (“limiting angle”)
uillinntomhas (“protractor”)

Mutation

Irish mutation
Radical	Eclipsis	with h-prothesis	with t-prothesis
uillinn	n-uillinn	huillinn	not applicable
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

Further reading

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

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