" coin "

[Noun]  | "coin" | \ ˈkȯin \

1: corner, cornerstone, quoin

2: wedge

3: a usually flat piece of metal issued by governmental authority as money

Origin: 14th century ;

 Middle English, from Anglo-French coing wedge, corner, from Latin cuneus wedge;

[Noun]  | "coin-op" | \ ˈkȯin-ˌäp \

1: a self-service laundry where the machines are operated by coins

Origin: 1960 ;

[Noun]  | "initial coin offering" 

1: the first sale of a cryptocurrency to the public conducted for the purpose of raising funds (as to support a start-up) —called also ICO

Origin: 2014 ;

[Noun]  | "sandwich coin" 

1: a clad coin

Origin: 1965 ;

[Verb]  | "coin" 

1: to make (a coin) especially by stamping : mint

2: to convert (metal) into coins

3: create, invent

Origin: 14th century ;

[Adjective]  | "coin" 

1: of or relating to coins

2: operated by coins

Origin: circa 1566 ;

[Adjective]  | "fleur de coin" | \ ˌflər-də-ˈkwaⁿ \

1: being in the preserved mint condition

Origin: circa 1889 ;

 French à fleur de coin, literally, with the bloom of the die;

[Noun phrase]  | "coin of the realm" 

1: the legal money of a country

2: something valued or used as if it were money in a particular sphere

Origin: 1787 ;

[Noun phrase]  | "the other/opposite/flip side of the coin" 

1: a different way of looking at or thinking about a situation

[Idiom]  | "toss/flip a coin" 

1: to decide something by throwing a coin up in the air and seeing which side is shown after it lands

[Verb]  | "coin" 

[Noun]  | "coin"