The Collaborative International Dictionary of English v.0.48:
Dellacruscan \Del`la*crus"can\, a. Of or pertaining to the Accademia della Crusca in Florence. [1913 Webster] The Dellacruscan School, a name given in satire to a class of affected English writers, most of whom lived in Florence, about a. d. 1785. [1913 Webster]