A yunomi is a form of teacup

Teacup

A teacup is a small cup, with or without a handle, generally a small one that may be grasped with the thumb and one or two fingers. It is typically made of a ceramic material. It is usually part of a set, composed of a cup and a matching saucer. These in turn may be part of a tea set in...

, typically made from a ceramic

Ceramic

A ceramic is an inorganic, nonmetallic solid prepared by the action of heat and subsequent cooling. Ceramic materials may have a crystalline or partly crystalline structure, or may be amorphous...

 material, being taller than wide, with a trimmed or turned foot. Unlike the more formal chawan

Chawan

right|thumb|250px|A [[Azuchi-Momoyama period|16th century]] black [[Raku]]-ware tea bowl chawan A chawan is a bowl used for preparing and drinking tea. There are many types of chawan used in a tea ceremony, and the choice of their use depends upon many considerations...

 tea bowl which is used during the Japanese tea ceremony

Japanese tea ceremony

The Japanese tea ceremony, also called the Way of Tea, is a Japanese cultural activity involving the ceremonial preparation and presentation of matcha, powdered green tea. In Japanese, it is called . The manner in which it is performed, or the art of its performance, is called...

, the yunomi is made for daily (or informal) tea drinking.

There are special pairs of yunomi called meoto yunomi (meoto means ‘married couple’). Meoto yunomi usually consist of two cups with the same pattern (sometimes in different colours) but different sizes and often slightly different shapes (the larger cup being the ‘husband’ and the smaller being the ‘wife’ cup).