(bound form) an earthenware jar or bottle with a small mouth and a large belly, often used in ancient times for holding liquids like wine; something jar-shaped as in 罂粟 yīng​sù

(bound form) seed; kernel; egg; small and hard object or pellet

the cereal plant foxtail millet (Setaria italica), or its small seeds which are known as 小米 xiǎo​mǐ after being husked