noun / verb
cup
KUP/kʌp/
A small rounded open vessel.
The blue ceramic cup has a handle and holds tea.

Etymology
The ancestor cupa named a tub or cask rather than a small drinking vessel. The word's history preserves the idea of a container while narrowing it to the smaller vessel used for drinking.
In context
it can also be used as a filtration straw allowing you to drink directly from your water source cup or bottle
More examples
- Add one cup of milk to the batter.
- He cups his hands to catch the water.
- The winning team lifts the silver cup.
Forms
cup · cups · cupped · cupping
cupful noun — The amount held by one cup.