a company formed into divisions (like garden-beds).
Strong's:
πρασιά
a garden plot, i.e. (by implication, of regular beds) a row (repeated in plural by Hebraism, to indicate an arrangement) Derivation: perhaps from πράσον (a leek, and so an onion-patch);
KJV Usage: in ranks.
TBESG:
πρασιά
group
G:N-F
πρασιά, -ᾶς, ἡ [in LXX: Sir.24:31 * ;] a garden-bed; metaph., of ranks or orderly groups of persons: Mrk.6:40.† (AS)
Thayer:
1) a plot of ground, a garden bed 2) Hebrew idiom i.e. they reclined in ranks or divisions, so that several ranks formed, as it were separate plots
πρασιά
prasia
pras-ee-ah'
Perhaps from πράσον prason (a leek, and so an onionpatch); a garden plot, that is, (by implication of regular beds) a row (repeated in plural by Hebraism to indicate an arrangement)