要塞的;守備隊的
Presidial \Pre*sid"i*al\, Presidiary \Pre*sid"i*a*ry\, a. [L. praesidialis and praesidiarius, fr. praesidium a presiding over, defense, guard. See {Preside}.] Of or pertaining to a garrison; having a garrison. There are three presidial castles in this city. --Howell.