Definition of "libel"
libel
/ˈlaɪbəl/
noun
countable and uncountable, plural libels
(countable) A brief writing of any kind, especially a declaration, bill, certificate, request, supplication, etc.
verb
third-person singular simple present libels, present participle (UK) libelling or (US) libeling, simple past and past participle (UK) libelled or (US) libeled