verb
contain
kuhn-TAYN/kənˈteɪn/
To hold something within set boundaries.
The clear glass jar contains several colorful marbles beneath its lid.

Etymology
The pieces express holding together, the image behind enclosing something. This connects containing an object inside a space with containing a person or force by keeping it within limits.
In context
For the purpose of above limits, that enclose shall be able to contain the complete contents of the largest tank in the dyke in case of any emergency.
More examples
- This soup contains peanuts.
- Firefighters work to contain the fire.
- She can barely contain her excitement.
Forms
contain · contains · contained · containing
container noun — An object used to hold things.
containment noun — The act of keeping something within limits.