Funambulus | Webster's Dictionary of the English Language

funambulus
fūnambŭlus, i, m. [funis-ambulo], a rope-dancer , Ter. Hec. 4; 34; Suet. Galb. 6.—Transf.: tu fu...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
funambulus
fūnambulus ī, m funis+ambulo, a ropedancer : in funambulo Animum occupare, T. ...

An Elementary Latin Dictionary