This is the 2001st most frequent French word.
évacuer
To evacuate; to remove people or things from a place for safety or clearance.
In this sentence, 'évacuer' is used in the literal sense of removing people from a building for safety reasons.
Ils ont dû évacuer le bâtiment à cause d'un incendie.
They had to evacuate the building because of a fire.
Here, 'évacuer' is used figuratively to denote the action of releasing or relieving stress.
Après cette longue journée de travail, elle veut évacuer son stress en faisant du yoga.
After this long workday, she wants to relieve her stress by doing yoga.
In this case, 'évacuer' refers to the technical action of expelling or transferring materials, such as water, to another location.