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glaw

rain

NounMasculine (gwrywaidd)B1/ɡlaːu̯/

"glaw" means "rain" in Welsh (masculine noun). Pronounced /ɡlaːu̯/. Mutation forms: Treiglad Meddal → law, Treiglad Trwynol → nglaw.

Mutation forms

In Welsh, the first letter of "glaw" changes depending on the grammatical context. These are the mutated forms:

MutationForm
Base formglaw
Treiglad Meddallaw
Treiglad Trwynolnglaw

"glaw" in context

Mae hi'n bwrw glaw.

It's raining.

A2

Yn sicr, mae'n mynd i bwrw glaw.

It's going to rain, for sure.

A2

Er ei bod hi'n bwrw glaw, mi es i allan.

Although it was raining, I went out.

B2

Mae'r glaw yn fy nilyn i bob man!

The rain follows me everywhere!

B1

Mae hi wedi bod yn bwrw glaw yn ddi-stop am dri diwrnod.

It has been raining nonstop for three days.

B2

Further reading

Welsh Mutations Explained — Soft, Nasal & Aspirate →Welsh Pronunciation — It's Actually Easier Than English →How to Learn Welsh as an Adult — A Step-by-Step Roadmap →Best Apps to Learn Welsh (2026) →Browse all Welsh vocabulary →

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