adj

• (history) Relating to antiquity as a primarily European historical period; the time before the Middle Ages.
• (obsolete) Experienced; versed.
  "approved by the consent of the moste ancient doctors of the Churche [part of the book title]"
• (obsolete) Former; sometime.
  "They mourned their ancient leader lost."

noun

• (UK, law) One of the senior members of the Inns of Court or of Chancery.
• (obsolete) A senior; an elder; a predecessor.
  "Junius and Andronicus […] in Christianity […] were his ancients."

noun

• (heraldry, archaic) A flag, banner, standard or ensign.
  "[D]iſcarded, vniuſt ſeruingmen, yonger ſonnes to yonger brothers, reuolted tapſters, and Oſtlers, tradefalne, the cankers of a calme world, and a long peace, ten times more diſhonourable ragged then an olde fazd ancient, […]"
• (obsolete, rare) The bearer of a flag; ensign.
  "I preſt mee none but such toſtes and butter with hearts in their bellies no bigger then pianes heades, and they haue bought out their ſeruices, and now my whole charge conſiſts of Ancients, Corporals, Lieutenants, gentlemen of companies: ſlaues as ragged as Lazarus in the painted cloth, where the gluttons dogs licked his ſores, and ſuch as indeed were neuer ſouldiours, […]"