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culdir

isthmus

NounMasculine (gwrywaidd)C2/ˈkɨ̞ldɪr/

"culdir" means "isthmus" in Welsh (masculine noun). Pronounced /ˈkɨ̞ldɪr/. Mutation forms: Treiglad Meddal → guldir, Treiglad Trwynol → nghuldir, Treiglad Llaes → chuldir.

Mutation forms

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

MutationForm
Base formculdir
Treiglad Meddalguldir
Treiglad Trwynolnghuldir
Treiglad Llaeschuldir

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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