The word “daw” can refer to a couple of different things:
1. **As a noun**: It is an informal or dialect term for a jackdaw, which is a type of bird belonging to the crow family. Jackdaws are known for their black feathers and grey necks, and they are known for their intelligence.
2. **In informal usage**: “Daw” can be an expression of surprise or realization, similar to “wow.”
In some contexts, it might also appear in phrases or idiomatic expressions, but the primary meanings relate to the bird or as an exclamation.