verb:to rest with the body supported by the buttocks or thighs; to be in a position where the upper body is upright and the weight is resting on the hips
Please sit in this chair while you wait.
verb:to be in a particular place or position
The book sits on the top shelf.
verb:to occupy a seat as a member of a body, such as a parliament or committee
She will sit on the board of directors next year.
verb:to look after a child or pet while the parents are absent; to babysit
My neighbor will sit for our dog while we are on vacation.
