Nice infographic explaining the different Japanese terms for different parts of the tea cup.
matcha chawan by studioYUNOMI
KURO-CHAWAN (Black Tea Bowl) OKADA, Yuh (Hagi artist)
Around and About with Bulldog Pottery: The Japanese Tea Bowl, Fuku Fukumoto, Shinrin Yoku
parts of a chawan, tea bowl
John Oles, wheel thrown and altered celadon teabowl
Japanese Matcha Chawan, also known as a Japanese Green Tea Bowl. Most commonly seen during the Japanese Tea Ceremony.
yellow - bowl - ceramic - Wakao Kei Zougeji Chawan