Collum | Webster's Dictionary of the English Language

collum
collum, i, n. (ante-class. access. form collus, i, m., Naev., Cato, Lucil., Att., Caecil., Varr. ap....

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
collum
collum ī, n the neck: in collum invasit, fell upon the neck: collo dare bracchia circum, V.: matern...

An Elementary Latin Dictionary