chái

a plant yielding a red dye

Senses

water chestnut

(bound form) water chestnut, primarily used in the word 凫茈 fú​cí

gromwell

(bound form) gromwell or stoneseed, a plant with roots that produce a purple dye; also known as 紫草 zǐ​cǎo

chái [botany]

(bound form) used in the name of the medicinal herb 茈胡 chái​hú

References

see 茈/茈 凫茈/鳧茈
same_as 茈/茈 紫草/紫草
see 茈/茈 茈胡/茈胡