Strong's #4944: mashshaq (pronounced mash-shawk')

from 8264; a traversing, i.e. rapid motion:--running to and fro.

Brown-Driver-Briggs Hebrew Lexicon:

ּׁ

mashshâq

1) running, rushing

Part of Speech: noun masculine

Relation: from H8264

Usage:

This word is used 1 times:

 

Isaiah 33:4: "shall be gathered like the gathering of the caterpillar: as the running to and fro of locusts shall he run"