Lexical Definition

‎חָרַג‎ chârag (khaw-rag') to quake H:V
a primitive root

be afraid.

1) (Qal) to shake from fear, tremble, quake

Usage: 1 form in 1 verse
Form Translated As     In Verse(s)
וְ֝יַחְרְג֗וּ and they may come trembling Ps.18.45

Brown-Driver-Briggs

[‎חָרַג‎] verb quake (compare (si vera lectio) Arabic be straitened, unable to move for fear and rage (Lane), also put oneself in a rage (Dozy); ᵑ7 ‎חַרְגַת מוֺתָא‎ Deut 32:25 terror of death) — only Qal Imperfect 3 masculine plural ‎וְיַחְרְגוּ מִמִּסְגְּרוֺתֵיהֶם‎ Ps 18:46* pregnantly and come quaking out of their fortresses (compare ‎יִרְגְּזוּ‎ in like connection Mic 7:17); read the same also in || 2Sam 22:46 (for ᵑ0 ‎וְיַחְגְרוּ‎, see ‎חגר‎; possible would be also ‎ויחרדו‎ in both, as Hos 11:10; Hos 11:11 etc.)

Brown-Driver-Briggs References

Book Refs
Deuteronomy 32:25
2 Samuel 22:46
Psalms 18:46*
Hosea 11:10 · 11:11
Micah 7:17