To bar (someone) from entering; to keep out.

To expel; to put out.

“to exclude young animals from the womb or from eggs”

To omit from consideration.

“Count from 1 to 30, but exclude the prime numbers.”

To the exclusion of; not including

“Our lucky free draw winner will be treated to dinner, bed and breakfast, but the holiday must be taken before December, 1991 (subject to availability and excluding bank holidays).”