• Webster's Revised Unabridged Dictionary
    • n Threap An obstinate decision or determination; a pertinacious affirmation. "He was taken a threap that he would have it finished before the year was done."
    • Threap To beat, or thrash.
    • Threap To call; to name.
    • v. i Threap To contend obstinately; to be pertinacious. "It's not for a man with a woman to threap ."
    • Threap To cozen, or cheat.
    • Threap To maintain obstinately against denial or contradiction; also, to contend or argue against (another) with obstinacy; to chide; as, he threaped me down that it was so.
    • ***
Century Dictionary and Cyclopedia
    • threap To contradict.
    • threap To aver or affirm with pertinacious repetition; continue to assert with contrary obstinacy, as in reply to persistent denial: as, to threap a thing down one's throat.
    • threap To insist on.
    • threap To cry out; complain; contend; maintain.
    • threap To call; term.
    • threap To indulge in mutual recrimination or contradiction; contend; quarrel; bandy words; dispute.
    • threap To fight; battle.
    • n threap Contest; attack.
    • n threap Contradiction.
    • n threap A vehement or pertinacious affirmation; an obstinate decision or determination.
    • n threap A superstitious idea or notion; a freet.
    • ***
Chambers's Twentieth Century Dictionary
    • v.t Threap thrēp (Scot.) to maintain persistently: to contradict: to urge, to press eagerly
    • v.i Threap to dispute
    • n Threap stubborn insistence: contradiction: a freet
    • ***


Webster's Revised Unabridged Dictionary
AS. þreápian, to reprove


In literature:

He seemed to feel a strength that would have snapped them like pack threap.
"The Sea-Witch" by Maturin Murray
See how ye threaped, and yet were wrong.
"J. S. Le Fanu's Ghostly Tales, Volume 3" by Joseph Sheridan Le Fanu