Definition of "foin"

foin¹

/fɔɪn/

noun
plural foins
1. (archaic) A thrust.
  Quotations
  And there kyng Arthur smote syr mordred vnder the shelde wyth a foyne of his spere throughoute the body more than a fadom."And there King Arthur smote Sir Mordred under the shield, with a foin of his spear, throughout the body, more than a fathom."
  1485, Thomas Malory, Le Morte Darthur Book XXI, Chapter iiij, leaf 424r
  They move their hands, steadfast their feet remain, / Nor blow nor foin they struck or thrust in vain.
  1600, Edward Fairfax (translator), Jerusalem Delivered, Tasso, XII, lv
verb
third-person singular simple present foins, present participle foining, simple past and past participle foined
1. (archaic) To thrust with a sword; to stab at.
  Quotations
  These Fastulfrs and Falsts could drink as well as they could foin or fight, and this has also been the case with me.
  1976, Robert Nye, Falstaff
  He stroke, he soust, he foynd, he hewd, he lasht,
  1596, Edmund Spenser, “Book IV, Canto III”, in The Faerie Queene. […], London: […] [John Wolfe] for William Ponsonbie, stanza 25
  They lash, they foin, they pass, they strive to bore / Their corselets, and the thinnest parts explore.
  1700, [John] Dryden, “Palamon and Arcite: Or, The Knight’s Tale. In Three Books.”, in Fables Ancient and Modern; […], London: […] Jacob Tonson, […]
2. (archaic) To prick; to sting.

foin²

/fɔɪn/

noun
plural foins
1. The beech marten (Martes foina, syn. Mustela foina).
2. A kind of fur, black at the top on a whitish ground, taken from the ferret or weasel of the same name.
  Quotations
  He came to the stake in a fair black gown furred and faced with foins.
  1642, Thomas Fuller, The Holy State, Cambridge, Cambridgeshire: […] Roger Daniel for John Williams, […]