Look up: Legatus

1. legatus
   Latin, meaning: deputy, ambassador, envoy / commander of a legion
   Found on http://archives.nd.edu/lll.htm
   
   
2. legatus
   Each military campaign was assigned 1 legate (general or dux), though there was not a single commander-in-chief until Imperial times because a number of campaigns could be conducted simultaneously in different geographic areas. Legati were always aristocrats of the senatorial class, usually consuls or former consuls, since they had to hold at least…
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
3. legatus
   legate The men who filled the office of Legate were drawn from among the senatorial class of Rome. There were two main positions; the legatus legionis was an ex-praetor and the man in command of one of Romes elite legions, while the legatus pro-praetore was an ex-consular, who was given the governor...
   Found on http://www.roman-britain.org/military/mi
   
   
4. Legatus
   A `legatus` (often anglicized as `legate`) was a general in the Roman army, equivalent to a modern general officer. Being of senatorial rank, his immediate superior was the dux, and he outranked all military tribunes. In order to command an army independently of the dux or provi...
   Found on http://en.wikipedia.org/wiki/Legatus