Is cash a short vowel sound?

That's a great question! It depends on what you're asking about:

* The pronunciation of "cash" itself: The vowel sound in "cash" is a short vowel sound. It's the same short vowel sound as in "cat" and "hat".

* Cash as a concept: The word "cash" doesn't have a vowel sound in the traditional sense. It's a noun, referring to physical money.

So, to answer your question:

* Yes, the vowel sound in the word "cash" is a short vowel sound.

* No, "cash" as a concept doesn't have a vowel sound.