窓まど台だい

noun

window sill; window ledge

Refers to the horizontal ledge at the bottom of a window, often used for placing small objects or plants.

• 猫ねこが窓まど台だいで日向ひなたぼっこをしている。

  The cat is basking in the sun on the window sill.

• 窓まど台だいに小ちいさな植うえ木き鉢ばちを置おいた。

  I placed a small flowerpot on the window sill.