Lexical Definition

‎אַגְמוֹן‎ ʼagmôwn (ag-mone') bulrush H:N-M
from the same as ‎אֲגַם‎; a marshy pool (others from a different root, a kettle); by implication

bulrush, caldron, hook, rush.

1) rush, bulrush
1a) used as cord or line (of twisted rushes or spun of rush fibre)
1b) of the lowly, insignificant (metaph)
2) sad, drooping
1a) of line of bulrushes
1b) bowing of the head (fig.)
1c) of the lowly (metaph)

See Greek: ἄνθραξ

Usage: 5 forms in 5 verses
Form Translated As     In Verse(s)
כְּאַגְמֹ֜ן like a bulrush Isa.58.5
וְאַגְמֽוֹן and bulrush Isa.19.15
וְאַגְמֹֽן and bulrush Job.41.20
וְאַגְמ֖וֹן and bulrush Isa.9.14
אַגְמ֣וֹן a cord Job.41.2

Brown-Driver-Briggs

‎אַגְמֹן‎, ‎אַגְמוֺן‎ noun [masculine] rush, bulrush.

1. used as cord or line Job 40:26* (of twisted rushes, or spun of rush-fibre, compare Di on the passage); as fuel Job 41:12* simile of bending head Isa 58:5.

2. metaphor of the lowly, insignif. (|| ‎כִּפָּה‎) Isa 9:13*; Isa 19:15.

Brown-Driver-Briggs References

Book Refs
Job 40:26* · 41:12*
Isaiah 9:13* · 19:15 · 58:5