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Webster 1913 Edition

Verb.

To discipline; to correct.

[Obs.]

And bitter Penance, with an iron whip,
Was wont him once to

disple

every day.

Spenser.

disple ‎(third-person singular simple present disples, present participle displing, simple past and past participle displed)

(obsolete) To discipline; to subject to discipline or punishment, especially for religious purposes.
- 1590, Edmund Spendser, The Faerie Queene, I.x:
  And bitter Penance with an yron whip, / Was wont him once to disple euery day [...].