noun
seedbed; nursery bed; seed-plot
A plot of soil prepared for raising seedlings before transplanting them. Also used metaphorically for a place where something develops or originates.
春になったら苗床にトマトの種をまきます。
When spring comes, I sow tomato seeds in the seedbed.
この地域は新しい才能の苗
This region has become a nursery for new talent.