A drop of water; a small bead or droplet of water.
窓に朝の雨の水滴が残っていた。
Drops of morning rain remained on the window.
葉っぱの先に水滴がきらりと光っている。
A water droplet at the tip of the leaf was glittering.
口をつけたグラスの外側に水滴がついた。
Water droplets formed on the outside of the glass I had drunk from.
A small vessel used to add water to an inkstone (suzuri) for calligraphy; a water dropper used in ink preparation.
書道の授業で硯に水をたらすときは、水滴を使う。
In calligraphy class, you use a water dropper when adding water to the inkstone.
古い水滴は陶器でできていて、展示されていた。
The old water droppers were made of pottery and were on display.