noun The act of excepting or excluding; exclusion; restriction by taking out something which would otherwise be included, as in a class, statement, rule.
the exception of a rule
noun That which is excluded from others; a person, thing, or case, specified as distinct, or not included.
That rule is usually true, but there are a few exceptions.
noun An objection, on legal grounds; also, as in conveyancing, a clause by which the grantor excepts or reserves something before the right is transferred.
noun An objection; cavil; dissent; disapprobation; offense; cause of offense.
noun An interruption in normal processing, typically caused by an error condition, that can be raised ("thrown") by one part of the program and handled ("caught") by another part.