Strong's #612: 'ecuwr (pronounced ay-soor')
from 631; a bond (especially manacles of a prisoner):--band, + prison.
Brown-Driver-Briggs Hebrew Lexicon:
ּ
'êsûr
1) band, bond
2) house of bonds, prison (figurative)
Part of Speech: noun masculine
Relation: from H631
Usage:
This word is used 3 times:
Judges 15:14: "that was burnt with fire, and his bands loosed from off his hands."
Ecclesiastes 7:26: "whose heart is snares and nets, and her hands as bands: whoso pleaseth"
Jeremiah 37:15: "Jeremiah, and smote him, and put him in prison him in prison in the house of Jonathan the scribe:"