adj

• (obsolete) Of a person: cunning, crafty.
  "But you, my Lord, were glad to be imploy'd, / To shew how queint an Orator you are."
• (obsolete) Cleverly made; artfully contrived.
  "describe races and games, / Or tilting furniture, imblazon'd shields, / Impresses quaint, caparisons and steeds, / Bases and tinsel trappings […]."
• (now dialectal) Strange or odd; unusual.
  "Till that there entered on the other side / A straunger knight, from whence no man could reed, / In quyent disguise, full hard to be descride […]."
• (obsolete) Overly discriminating or needlessly meticulous; fastidious; prim.
  "She, nothing quaint / Nor 'sdeignfull of so homely fashion, / Sith brought she was now to so hard constraint, / Sate downe upon the dusty ground anon […]."

noun

• (obsolete or historical) The vulva.
  "The rest looked on, horrified, as Clarice trussed up her habit and in open view placed her hand within her queynte crying, ‘The first house of Sunday belongs to the sun, and the second to Venus.’"