demurral
An objection; cavil; dissent; disapprobation; offense; cause of offense; — usually followed by to or against.
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 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.
The act of excepting or excluding; exclusion; restriction by taking out something which would otherwise be included, as in a class, statement, rule.
That which is excluded from others; a person, thing, or case, specified as distinct, or not included.