leave2 S3 W2
time that you are allowed to spend away from your work, especially in the armed forces:
I've applied for three days' leave.
navy officers home on leave
Your basic annual leave is 20 days.
time that you are allowed to spend away from work because you have had a baby, because you are ill, or because of a personal problem such as the death of a relative
a period of time that you are allowed to spend away from work for a particular purpose:
She's been given leave of absence to attend a computer course.
permission to do something:
All this was done entirely without my leave.
leave to do something
a petition for leave to appeal to the European court
grant/obtain/ask/seek etc leave (to do something)
He asked leave to speak to her in private.
without asking permission, in a way that seems very rude:
He marched into my office without so much as a by your leave.
to suddenly start behaving in a strange way:
You want to marry him? Have you taken leave of your senses?
to say goodbye to someone