Strong's #594: 'anak (pronounced an-awk')
probably from an unused root meaning to be narrow; according to most a plumb-line, and to others a hook:--plumb-line.
Brown-Driver-Briggs Hebrew Lexicon:
'ănâk
1) plummet, plumb, lead-weight
Part of Speech: noun masculine
Relation: probably from an unused root meaning to be narrow
Usage:
This word is used 4 times:
Amos 7:7: "stood upon a wall made by a plumb line, with a plumb line in his hand."
Amos 7:7: "upon a wall with a plumb line in his hand."
Amos 7:8: "seest thou? A plumb line. Then said the Lord, Behold, I will set"
Amos 7:8: "the Lord, Behold, I will set a plumb line in the midst of my people Israel: I will not"