How do you spell band aid in welsh?

There isn't a direct translation for "band-aid" in Welsh. It's typically referred to by its English name or by describing the function:

* "Band-aid": This is the most common way to refer to it, as it's widely understood.

* "Plastri": This means "plasters" and is a more general term for adhesive bandages.

* "Plastri ar gyfer clwyfau bach": This literally means "plasters for small wounds" and is a more descriptive way to say it.

So, the best way to say "band-aid" in Welsh depends on the context and your audience's understanding of English loanwords.