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Trapezoid in Irish (Traipéasóideach): Meaning, Pronunciation, Usage

The Irish for trapezoid is traipéasóideach, a masculine noun (plural traipéasóidigh).
Updated October 2026Report a mistake

How to say “trapezoid” in Irish

Irish:
traipéasóideach
English:
trapezoid
Word type:
noun
Gender:
masculine
Pronunciation:
“trap-ay-SOH-jukh”  /ˈt̪ˠɾˠapʲeːsˠoːdʲəx/
Various forms
Plural:
traipéasóidigh (trapezoids)
Genitive singular:
traipéasóidigh, an traipéasóidigh (e.g. achar an traipéasóidigh, area of the trapezoid)
Genitive plural:
traipéasóideach, na dtraipéasóideach (e.g. airíonna na dtraipéasóideach, the properties of the trapezoids)

What does “traipéasóideach” mean?

trapezoid
A four-sided flat shape; in British usage, a quadrilateral with no parallel sides (in American usage, with one pair of parallel sides).Also: trapezium, quadrilateral.

“Traipéasóideach” with the article

The plural of trapezoid in Irish is traipéasóidigh. Here is traipéasóideach after the article (an t-alt), in the singular and the plural.

an traipéasóideach
the trapezoid
No change after an
na traipéasóidigh
the trapezoids
Plural: no change after na

“Traipéasóideach” in a sentence: Irish examples

Common Irish sentences using traipéasóideach, the Irish word for trapezoid.

Tarraing traipéasóideach ar an leathanach.
Draw a trapezoid on the page.
Tá ceithre shlios ar an traipéasóideach.
The trapezoid has four sides.
Ríomh achar an traipéasóidigh seo.
Calculate the area of this trapezoid.
Tá dhá thraipéasóideach sa léaráid.
There are two trapezoids in the diagram.
Chonaic mé na traipéasóidigh sa leabhar.
I saw the trapezoids in the book.
Níl aon dá shlios comhthreomhar i mo thraipéasóideach.
No two sides in my trapezoid are parallel.
D'fhoghlaimíomar faoin traipéasóideach inniu sa rang.
We learned about the trapezoid in class today.

Other nouns in Irish

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Trapezoid in Irish: frequently asked questions

What is the Irish for trapezoid?

The Irish for trapezoid is traipéasóideach (pronounced “trap-ay-SOH-jukh”). It’s a masculine noun and the plural is traipéasóidigh.

How do you pronounce traipéasóideach in Irish?

Traipéasóideach is said like “trap-ay-SOH-jukh” (IPA /ˈt̪ˠɾˠapʲeːsˠoːdʲəx/).

What is the plural of trapezoid in Irish?

The plural of traipéasóideach is traipéasóidigh; with the article, na traipéasóidigh means “the trapezoids”. The genitive plural is traipéasóideach, as in airíonna na dtraipéasóideach (the properties of the trapezoids).

Why does traipéasóideach change to thraipéasóideach or dtraipéasóideach?

Irish changes the start of some words after certain words. After mo (my) traipéasóideach becomes mo thraipéasóideach (lenition), and after ár (our) or i (in) it becomes ár dtraipéasóideach (eclipsis).

What is the difference between traipéasóideach and traipéisiam?

Like the English trapezoid and trapezium, the two terms are often confused. Check the definitions used in your textbook, as usage varies between British and American conventions.

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