Definitions

1. noun

a pale blue or greenish-blue glaze used on pottery, especially Chinese porcelain, or a pale blue or greenish-blue colour

“The vase was decorated with a beautiful celadon glaze that shone in the light.”

2. adjective

relating to or denoting a pale blue or greenish-blue glaze, colour, or pottery

“The celadon vase was a rare and valuable find for the collector.”