Strong's #4535: maccach (pronounced mas-sawkh')
from 5255 in the sense of staving off; a cordon, (adverbially) or (as a) military barrier:--broken down.
Brown-Driver-Briggs Hebrew Lexicon:
ּ
massâch
1) meaning uncertain - perhaps
1a) guard (noun)
1b) alternately, by turns (adverb)
Part of Speech: see above in Definition
Relation: from H5255 in the sense of staving off
Usage:
This word is used 1 times:
2 Kings 11:6: "the watch of the house, that it be not broken down."