1. Noun

   ornamental garden stone (placed to give a natural appearance); garden rock

2. sacrifice stones

   Go (game)see 捨て駒see 捨てる

3. sacrifice (of oneself, one's career, etc.)

   usu. as 〜に/となる

4. stones used in a foundation; riprap

Also written 捨石【すていし】suteishi、棄て石【すていし】suteishi、棄石【すていし】suteishi