Available Definitions:
1) v. t. - To take or leave out (anything) from a number or a whole as not belonging to it; to exclude; to omit.
2) v. t. - To object to; to protest against.
3) v. i. - To take exception; to object; -- usually followed by to, sometimes by against; as, to except to a witness or his testimony.
4) prep. - With exclusion of; leaving or left out; excepting.
5) conj. - Unless; if it be not so that.