Grasp or seize.
grip or grab
Some words that mean "seize" or "hold firmly" are:gripclutchgraspclaspclench
To cause something to remain in a certain state or position or activity is the meaning of hold
How much something can hold is its capacity.
to hold something strong
Grip
grip or grab
You grip something tightly.
Beaker.
contain
The word is contain.
Something that has another wrapped around, in order to hold it's shape
Grasp, clutch
Grab, grasp, squeeze
Something that has another wrapped around, in order to hold it's shape
The word is "grip".
Seized means to grasp suddenly and forcibly, to take or grab by force.