Lexical Definition

‎כָּסַח‎ kâçach (kaw-sakh') to cut H:V
a primitive root

cut down (up).

1) to cut down, cut away, cut off (of plants)
1a) (Qal) cut away (pass participle)
1a1) of judgment (fig.)

Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
כְּסוּחָ֑ה cut down Ps.80.16
כְּסוּחִ֖ים cut down Isa.33.12

Brown-Driver-Briggs

[‎כָּסַח‎] verb cut off or away, a plant (Late Hebrew id.; Aramaic ‎כְּסַח‎, (for Hebrew ‎זָמַר‎); Arabic sweep off, away, destroy, do away with; compare Sabean ‎כסח‎ overpower, conquer, HomZMG 1892, 532) — only Qal Passive participle, feminine singular ‎כְּסוּחָה‎ Ps 80:17*, cut away, of Israel under figure of vine; masculine plural ‎קוֺצִים כְּסוּחִים‎ Isa 33:12 thorns cut away, figurative of peoples destroyed by divine judgment.

Brown-Driver-Briggs References

Book Refs
Psalms 80:17*
Isaiah 33:12