Lexical Definition

‎λάχανον‎ láchanon (lakh'-an-on) plant G:N-N
from (to dig)

herb.

Usage: 3 forms in 8 verses
Form Translated As     In Verse(s)
λαχάνων garden plants Matt.13.32Mark.4.32
of vegetables LXX.1Kgs.21.2LXX.Prov.15.17
λάχανον herb Luke.11.42
λάχανα vegetables Rom.14.2
vegetation LXX.Gen.9.3LXX.Ps.37.2

Abbott-Smith

λάχανον, -ου, τό (λαχαίνω, to dig), [in LXX: Ge 9:3, III Ki 20 (21):2*, Ps 36 (37):2*, Pr 15:17 (יֶרֶק, יָרָק)*;]
a garden herb, vegetable: Lk 11:42; usually in pl., Mt 13:32, Mk 4:32, Ro 14:2.†
SYN.: βοτάνη, q.v.

Abbott-Smith References

Book Refs
Genesis 9:3
1 Kings 21:2*
Psalms 37:2*
Proverbs 15:17
Matthew 13:32
Mark 4:32
Luke 11:42
Romans 14:2

Liddell-Scott-Jones

λάχανον [λᾰ], τό,

mostly in plural, garden-herbs, opposed to wild plants, vegetables, [Refs 5th c.BC+] not a single herb, [Refs 5th c.BC+]; ἐν τῷ λ. τούτῳ, i.e. the lettuce, [Refs 4th c.BC+]

__2 in plural also, the vegetable-market, [Refs 5th c.BC+]