H8357
שֵׁת
buttock
seat (of body), buttocks
Full Brown-Driver-Briggs lexicon entry
שֵׁת proper name, masculine third son of Adam; Gen 4:25 (where explained from √ שִׁית), vGen 4:26; Gen 5:3; Gen 5:4; Gen 5:6; Gen 5:7; Gen 5:8; 1Chr 1:1 Σηθ — In כָּלבְּֿנֵישֵֿׁת Num 24:17 (poem in J), read probably שֵׁאת tumult (compare Lam 3:47), or שְׁאֵת (see below נשׂא), compare Gray. — II. שֵׁת, see II. שׁתה.
III. שֵׁת noun [masculine] seat (of body), buttocks (compare Late Hebrew שִׁית, Aramaic foundation; compare [שָׁת] p. 1011; NöM 98); — absolute ׳שׁ Isa 20:4 plural suffix שְׁתוֺתֵיהֶם 2Sam 10:4.
2 occurrences
II Samuel (1), Isaiah (1)