Dictionary
ul•ti•ma ra•ti•o re•gum
Pronunciation: (ool'ti-mä" rä'tē-ō" rā'goom; Eng. ul'tu-mu rā'shē-ō" rē'gum), [key] Latin.
the final argument of kings (a resort to arms): motto engraved on the cannon of Louis XIV.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.