The word(s) "watereth" appears 2 time(s) in 2 verse(s) in Quran in Muhammad Pickthal translation.

(1) (Moses) answered: Lo! He saith: Verily she is a cow unyoked; she plougheth not the soil nor watereth the tilth; whole and without mark. They said: Now thou bringest the truth. So they sacrificed her, though almost they did not.

(سورة البقرة, Al-Baqara, Chapter #2, Verse #71)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)

(2) And Who feedeth me and watereth me.

(سورة الشعراء, Ash-Shu'araa, Chapter #26, Verse #79)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)