What is another word for drinking tube?

There are many words you could use depending on the context. Here are a few possibilities:

Formal:

* Straw

* Sipping tube

* Drinking straw

* Beverage tube

Informal:

* Straw

* Sippy straw

* Sucker (for a specific type of straw used with candy)

Medical:

* Nasogastric tube

* Feeding tube

* Gastrostomy tube

Other:

* Pipette (used for transferring liquids)

* Syringe (used for injecting liquids)

Please provide more context about the specific situation you are referring to, and I can offer a more specific answer.