exception

a person or thing that a rule does not cover, though it covers all the others

The act of excepting or excluding; exclusion; restriction by taking out something which would otherwise be included, as in a class, statement, rule.

An objection, on legal grounds; also, as in conveyancing, a clause by which the grantor excepts or reserves something before the right is transferred.

An objection; cavil; dissent; disapprobation; offense; cause of offense.

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.

(informal, rare) To throw an exception.