Strong's #2738: charuwl (pronounced khaw-rool')

or (shortened) charul {khaw-rool'}; apparently, a passive participle of an unused root probably meaning to be prickly; properly, pointed, i.e. a bramble or other thorny weed: nettle.

Brown-Driver-Briggs Hebrew Lexicon:

/ ּ

chârûl

1) nettles, weeds, kind of weed (perhaps chickpea)

Part of Speech: noun masculine

Relation: apparently, a passive participle of an unused root probably meaning to be prickly

Usage:

This word is used 3 times:

 

Job 30:7: "the bushes they brayed; under the nettles they were gathered together."
Proverbs 24:31: "it was all grown over with thorns, and nettles had covered the face thereof, and the stone wall"
Zephaniah 2:9: "of Ammon as Gomorrah, even the breeding of nettles, and saltpits, and a perpetual"