What is the hawaiian word for blowhole?

There isn't a single, specific Hawaiian word for "blowhole" in the sense of a geological formation. However, the concept can be expressed using combinations of words depending on the context:

* Pūpū: This word refers to a hole, cavity, or vent. It could be used to describe a blowhole, but it's a general term.

* Pūpū wai: Literally translates to "water hole" and could be used to describe a blowhole where water erupts.

* Pūpū makani: This means "wind hole" and might be used to describe a blowhole where air is expelled.

* Pūpū moana: This means "ocean hole" and could describe a blowhole that is connected to the ocean.

Ultimately, the most accurate Hawaiian term for "blowhole" will depend on the specific geological feature and the context in which it's being discussed.