— ailanthic , adj.
/ay lan"theuhs/ , n. , pl. ailanthuses .
any tree belonging to the genus Ailanthus, of the quassia family, esp. A. altissima, widely grown in cities. Cf. tree of heaven .
[ 1788; Ailantus, Ailanthus ( th by assoc. with Gk ánthos flower) ai lanit ( o ), ai lanit ( e ), equiv. to ai tree, wood + lanit sky + -o, -e a definite article ]