Lewis Short
(adjective) : larvālis (larŭālis), e, larva
* Like a ghost, ghostly (post-Aug.): habitus,Sen. Ep. 25; so, si larvali habitu processeris, Lex ap. Paul. Sent. 3, 4, b, 2: macies larŭalis,Auct. Priap. 32, 13.
Charlton T. Lewis, Charles Short, A Latin Dictionary