ideational

(poetry) A sonnet comprising an octet and a closing sestet, following the rhyme scheme of either abba abba cde cde or abba abba cd cd cd or abba abba cce dde or abba abba cdd cee.

(slang, vulgar, derogatory) An objectionable person.

(botany) A canelike grass of southern Europe (Arundo donax), used for fishing rods, etc.