counter for drops of liquid
Used to count drops of liquid, such as water, medicine, or tears.
目薬を二滴さしてください。
Please put two drops of eye drops in.
一滴の涙が彼女の頬を伝った。
A single tear ran down her cheek.
Standard kanji spelling for the counter.
From the kanji 滴, meaning 'drop' or 'drip'. The reading てき is the on'yomi.