Lewis Short
pondĕrātor (noun M) : pondero
* A weigher (post-class.): De ponderatoribus, Cod. Th. 7, 12; Cod. Just. 71, 10: ponderator spirituum Dominus,Vulg. Prov. 16, 2; cf.: ponderator, σταθμιστὴς ἢ ζυγοστάτης, Gloss. Lat. Gr.
Charlton T. Lewis, Charles Short, A Latin Dictionary