砥柱

dǐzhù
  1. (figurative) backbone; mainstay
  2. (～山) Mount Dizhu (rock situated midstream of the Yellow River)
  3. Mount Dizhu (rock situated midstream of the Yellow River)
  4. backbone; mainstay

Wiktionary

Entry Composition

1 砥 dǐ
  1. baffle (pier)
  2. whetstone
2 柱 zhù pillar

classifier: 根

Containing this entry

中流砥柱 zhōngliúdǐzhù
  1. mainstay
  2. cornerstone
  3. tower of strength