1. An instrument to raise anything; a wedge; a small wooden wedge used by printers to fasten the pages of type; the external angle of a wall. See Coin.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• quein,
• ajoin,
• quien,
• reuoin,
• fukin,
• kjoin,
• qution,
• qoin,
• quarn,
• quing,
• quting,
• jjoin,
• quoye,
• quind,
• qusion,
• gaoin,
• equin,
• quotia,
• quoran,
• junin

• Quyen,
• quin,
• QUAN,
• qum,
• Quinnie,
• Quiana,
• quinney,
• Quinn,
• quon,
• Queenie,
• queen,
• quine.

The adjective form of the word "quoin" is "quoinless".

The plural form of the word "quoin" is "quoins"

The singular form of the word "quoin" is "quoin". There is no change in the spelling of the word when it is in singular form.