[pre.sid.i.al] adj [LL praesidialis, fr. L praesidium garrison, fr. praesid-, praeses guard, governor, fr. praesidere] (1611) 1 [F presidial, fr. MF, alter. of presidal, fr. LL praesidalis of a provincial governor, fr. L praesid-, praeses]: provincial 1
2: of, having, or constituting a garrison
3: of or relating to a president: presidential