From an unused root apparently meaning to hollow out; a channel or watering-box; by resemblance a ringlet of hair (as forming parallel lines) -- gallery, gutter, trough.
Englishman's Concordance
1) trough, hollow 2) lock of hair 2a) meaning dubious Part of Speech: noun masculine A Related Word by BDB/Strong’s Number: from an unused root apparently meaning to hollow out Same Word by TWOT Number: 2127a, 2128a
Brown-Driver-Briggs
I. [ר֫הַט] noun [masculine]trough (where water is collected ?); — for watering cattle; — plural רְהָטִיםGenesis 30:38,41; Exodus 2:16 (all J).
II. רהט (√ of two following; perhaps Aramaic רְהַט=רוּץrun, flow).
II. [רַ֫הַט] noun [masculine] dubious, Thes and most lock of hair (? from flowing down); — plural רְהָטִים Cant 7:6.
Genesis 30:38 HEB:אֲשֶׁ֣ר פִּצֵּ֔ל בָּרֳהָטִ֖ים בְּשִֽׁקֲת֣וֹת הַמָּ֑יִם NAS: of the flocks in the gutters, [even] in the watering KJV: the flocks in the gutters in the watering INT: which had peeled the gutters troughs the watering
Genesis 30:41 HEB:לְעֵינֵ֥י הַצֹּ֖אן בָּרֳהָטִ֑ים לְיַחְמֵ֖נָּה בַּמַּקְלֽוֹת׃ NAS: of the flock in the gutters, so that they might mate KJV: of the cattle in the gutters, that they might conceive INT: the sight of the flock the gutters mate the rods
Exodus 2:16 HEB:וַתְּמַלֶּ֙אנָה֙ אֶת־ הָ֣רְהָטִ֔ים לְהַשְׁק֖וֹת צֹ֥אן NAS: and filled the troughs to water KJV: [water], and filled the troughs to water INT: to draw and filled the troughs to water flock
Songs 7:5 HEB:מֶ֖לֶךְ אָס֥וּר בָּרְהָטִֽים׃ NAS: is captivated by [your] tresses. KJV: the king [is] held in the galleries. INT: king is captivated by tresses