Lexical Definition

‎שָׁכָה‎ shâkâh (shaw-kaw') to lust H:V
a primitive root

in the morning (by mistake for ‎שָׁכַם‎).

1) (Hiphil) lustful (participle)
1a) meaning uncertain

Usage: 1 form in 1 verse
Form Translated As     In Verse(s)
מַשְׁכִּ֣ים lustful Jer.5.8

Brown-Driver-Briggs

[‎שָׁכָה‎, so most] verb Hiph`il Participle as adjective in ‎סוּסִים מוּזָנִים מַשְׁכִּים הָיוּ‎ Jer 5:8 usually, horses... roaming at large they have become (compare Ethiopic ); — but meaning lustful needed; Aq Theod ἔλκοντες, Jerome trahentes (that is, genitalia), i.e. ‎משְׁכִים‎; read with Arnheim Du Dr ‎מַאֲשָׁכִים‎, i.e. fed stallions (literally growing ‎אֲשָׁכִים‎, Lev 21:20 compare ‎מַקְרִין‎, ‎מַפְרִים‎).

Brown-Driver-Briggs References

Book Refs
Leviticus 21:20
Jeremiah 5:8