Usage of the character 砥
dǐ
砥
[砥]
- baffle (pier)
- whetstone
dǐlì
砥砺
[砥礪]
- whetstone
- (lit. and fig.) to hone; to sharpen
- to encourage
zhōngliúdǐzhù
中流砥柱
[中流砥柱]
- mainstay
- cornerstone
- tower of strength