The Collaborative International Dictionary
Typothetae
Typothetae \Ty*poth"e*t[ae]\, n. pl. [NL., fr. E. type + Gr. ? to put, set.] Printers; -- used in the name of an association of the master printers of the United States and Canada, called The United Typothet[ae] of America.
Wiktionary
typothetae
n. (context obsolete English) printers