noun

• (countable, uncountable) Damage, harm, hurt, injury.
  "Therefore great Lords bee as your titles vvitnes, / Imperious, and impatient of your vvrongs, / And vvherein Rome hath done you any ſkath, / Let him make treable ſatisfaction."
• (countable) Someone who, or something which, causes harm; an injurer.
  "The pride I trampled is now my scathe, / For it tramples me again."
• (countable, Scots law, obsolete) An injury or loss for which compensation is sought in a lawsuit; damage; also, expenses incurred by a claimant; costs.
• (uncountable) Something to be mourned or regretted.
  "They deemed it little scathe indeed / That her coarse homespun ragged weed / Fell off from her round arms and lithe / Laid on the door-post, that a withe / Of willows was her only belt; / And each as he gazed at her felt / As some gift had been given him."

verb

• (archaic or Scotland) To harm or injure (someone or something) physically.
  "This trick may chance to ſcath you I knovv vvhat, / You muſt contrarie me, […]"
• (archaic or Scotland) To harm or injure (someone or something) physically.
  "VVell goe too vvild oates, ſpend thrift, prodigall, / Ile croſſe thy name quite from my reckoning booke: / For theſe accounts, faith it ſhall skathe thee ſomevvhat, / I vvill not ſay vvhat ſomevvhat it ſhall be."
• (by extension, chiefly literary and poetic) To harm, injure, or destroy (someone or something) by fire, lightning, or some other heat source; to blast; to scorch; to wither.
  "The shout was hushed on lake and fell, / The Monk resumed his muttered spell. / Dismal and low its accents came, / The while he scathed the Cross with flame; […]"
• (figuratively) To severely hurt (someone's feelings, soul, etc., or something intangible) through acts, words spoken, etc.
  "There are some strokes of calamity that scathe and scorch the soul—that penetrate to the vital seat of happiness—and blast it, never again to put forth bud or blossom."