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Medusa in Irish (Meadúsa): Meaning, Pronunciation, Usage

The Irish for medusa is meadúsa, a masculine noun (plural meadúsaí).
Updated October 2026Report a mistake

How to say “medusa” in Irish

Irish:
meadúsa
English:
medusa
Word type:
noun
Gender:
masculine
Pronunciation:
“MAD-oo-suh”  /ˈmʲad̪ˠuːsˠə/
Various forms
Plural:
meadúsaí (medusas)
Genitive singular:
meadúsa, an mheadúsa (e.g. cruth an mheadúsa, the shape of the medusa)
Genitive plural:
meadúsaí, na meadúsaí (e.g. saolré na meadúsaí, the life cycle of medusae)

What does “meadúsa” mean?

medusa
The free-swimming, bell-shaped stage of a jellyfish or similar sea creature, with trailing tentacles.Also: jellyfish, jelly fish.

“Meadúsa” with the article

The plural of medusa in Irish is meadúsaí. Here is meadúsa after the article (an t-alt), in the singular and the plural.

an meadúsa
the medusa
No change after an
na meadúsaí
the medusas
Plural: no change after na

“Meadúsa” in a sentence: Irish examples

Common Irish sentences using meadúsa, the Irish word for medusa.

Is ainmhí mara é an meadúsa.
The medusa is a sea animal.
Chonaic mé meadúsa mór ar an trá.
I saw a big medusa on the beach.
Tá go leor meadúsaí san uisce inniu.
There are lots of medusae in the water today.
Tá cruth cloig ar an meadúsa.
The medusa is bell-shaped.
Ghortaigh adharcáin an mheadúsa a cos.
The medusa's tentacles hurt her leg.
D'fhoghlaimíomar faoi mheadúsaí sa rang bitheolaíochta.
We learned about medusae in biology class.
Snámhann na meadúsaí leis an sruth.
The medusae drift with the current.

Other nouns in Irish

More everyday Irish nouns to learn next.

Medusa in Irish: frequently asked questions

What is the Irish for medusa?

The Irish for medusa is meadúsa (pronounced “MAD-oo-suh”). It’s a masculine noun and the plural is meadúsaí.

How do you pronounce meadúsa in Irish?

Meadúsa is said like “MAD-oo-suh” (IPA /ˈmʲad̪ˠuːsˠə/).

What is the plural of medusa in Irish?

The plural of meadúsa is meadúsaí; with the article, na meadúsaí means “the medusas”. The genitive plural is meadúsaí, as in saolré na meadúsaí (the life cycle of medusae).

Why does meadúsa change to mheadúsa?

After words like mo (my) and do (your) the first letter is lenited: mo mheadúsa. After ár (our) it stays ár meadúsa, because m does not take eclipsis.

Is 'meadúsa' the everyday word for a jellyfish?

Not usually: the everyday word is 'smugairle róin'. 'Meadúsa' is mainly a scientific term for the medusa stage.

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