Etymology

Noun

1. A piece of currency, usually metallic and in the shape of a disc, but sometimes polygonal, or with a hole in the middle.
   • 1883: Robert Louis Stevenson, Treasure Island

     ...the coins were of all countries and sizes - doubloons, and louis d'ors, and guineas, and pieces of eight...

2. A token used in a special establishment like a casino (also called a chip).
3. One of the suits of minor arcana in tarot, or a card of that suit.

Verb

1. to create coins.
2. to make up or invent, and establish

   Over the last century the advance in science has led to many new words being coined.

Noun

1. wedge, cornerpiece
2. corner

   L'église fait le coin. The church is just on the corner.

3. area, part

   « Je suis le seul robot dans ce coin. » "I am the only robot around here."