Lexical Definition

‎לָחַשׁ‎ lâchash (law-khash') to whisper H:V
a primitive root

charmer, whisper (together).

1) to whisper, charm, conjure
1a) (Piel) charmers, conjurers, whisperers (participle)
1b) (Hithpael) to whisper to each other

Usage: 3 forms in 3 verses
Form Translated As     In Verse(s)
מִֽתְלַחֲשִׁ֔ים whispering to one another 2Sam.12.19
מְלַחֲשִׁ֑ים charmers Ps.58.5
יִ֭תְלַחֲשׁוּ they whisper to one another Ps.41.7

Brown-Driver-Briggs

[‎לָחַשׁ‎] verb whisper, charm (Late Hebrew id.; Aramaic ‎לְחַשׁ‎ ; Ethiopic ; whisper, see RSJPh xiv. 1885, 122, possibly originally serpent-charming); —

Pi`el Participle plural ‎קוֺל מְלַחֲשִׁים‎ Ps 58:6* voice of whisperers (i.e. serpent-charmers; || ‎חוֺבֵר תֲבָרִים‎). Hithpa`el whisper together, Imperfect ‎יִתְלַחֲשׁוּ‎ with ‎עַל‎ Ps 41:8* Participle plural ‎מִתְלַחֲשִׁים‎ 2Sam 12:19.

Brown-Driver-Briggs References

Book Refs
2 Samuel 12:19
Psalms 41:8* · 58:6*