adj

• (of human skin) Having a pallor (a light color, especially due to sickness, shock, fright etc.).
  "His face turned pale after hearing about his mother's death."

verb

• (intransitive) To turn pale; to lose colour.
  "But a man— / Note men !—they are but women after all, / As women are but Auroras !—there are men / Born tender, apt to pale at a trodden worm, / Who paint for pastime, in their favourite dream, / Spruce auto-vestments flowered with crocus-flames / There are, too, who believe in hell and lie : […]"
• (intransitive) To become insignificant.
  "(Although the conditions are rather different, the generosity of the offer certainly pales by comparison with the "Eurailpass" now available to tourists from North and South America at $125 (£44 13s.), which allows two months' unlimited first class travel throughout the railway systems of thirteen countries—[...].)"
• (transitive) To make pale; to diminish the brightness of.
  "The Glow-worme ſhowes the Matine to be neere, / And gins to pale his vneffectuall Fire : / Adue, adue, Hamlet : remember me."

noun

• (obsolete) Paleness; pallor.
  "The boare (quoth ſhe) whereat a ſuddain pale, / Like lawne being ſpred vpon the bluſhing roſe, / Vſurpes her cheeke, ſhe trembles at his tale, / And on his neck her yoaking armes ſhe throwes."

noun

• (archaic) A fence made from wooden stake; palisade.
  "How are we park’d and bounded in a pale, / A little herd of England’s timorous deer, / Mazed with a yelping kennel of French curs!"
• (by extension) Limits, bounds (especially before of).
  "But let my due feet never fail, / To walk the ſtudious cloyſters pale, / And love the high embowed roof, / With antic pillars maſſy proof, / And ſtoried windows richly dight, / Caſting a dim religious light."
• (heraldry) A vertical band down the middle of a shield.
  "The shield was silver, charged with a red cross voided (that is, with the centre cut out and only the edges left), between in chief (that is, above the horizontal limb of the cross) two black dragon's wings, and in base two red daggers, and in the centre of the cross a black winged helmet; on a red chief (a broad band across the top of the shield), a silver pale (a broad vertical band), and thereon eight black arrows crossed X-wise, four and four, and encircled with a black band, between on the dexter three bendlets (narrow bands slanting from dexter chief to sinister base) enhanced (that is, raised above the centre), and on the sinister a fleur-de-lis, all of gold."
• (archaic) A territory or defensive area within a specific boundary or under a given jurisdiction.