רַהַטrahaṭ

ר֫הַט: trough, (where water is collected?); — for watering cattle (Genesis 30:38; Genesis 30:41; Exodus 2:16)

Pronunciation: rah'-hat · Hebrew/Aramaic (Old Testament) · H7298

Meanings

רַ֫הַט: lock, dubious, of hair (? from flowing down) (Song of Solomon 7:6)

Same root

רְחִיטrᵉchîyṭ · H7351a panel (as resembling a trough)

Where it appears

Appears 4 times in the Bible.

Genesis 30:38 Then he placed these peeled branches in the watering troughs where the flocks came to drink, for that was where they mated.
Genesis 30:41 Whenever the stronger females were ready to mate, Jacob would place the peeled branches in the watering troughs in front of them. Then they would mate in front of the branches.
Exodus 2:16 Now the priest of Midian had seven daughters who came as usual to draw water and fill the water troughs for their father’s flocks.
Song of Solomon 7:5 Your head is as majestic as Mount Carmel, and the sheen of your hair radiates royalty. The king is held captive by its tresses.

Source: Brown, Driver and Briggs, Hebrew and English Lexicon of the Old Testament (1906), public domain; markup by unfoldingWord, CC BY (github.com/unfoldingWord/Brown-Driver-Briggs-Enhanced).