The picked dog-fish, Squalus acanthias.
hoc, abl. and neutr. of hic, q. v. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
hōc or hoc (1) see 1 hic. ...
An Elementary Latin Dictionary
·- The technical words of denial used in traversing what has been alleged, and is repeated. ...
Webster's Dictionary of the English Language