Strong's #2162: zamam (pronounced zaw-mawm')
from 2161; a plot:--wicked device.
Brown-Driver-Briggs Hebrew Lexicon:
zâmâm
1) wicked device, evil plan
Part of Speech: noun masculine
Relation: from H2161
Usage:
This word is used 1 times:
Psalms 140:8: "of the wicked: further not his wicked device; lest they exalt themselves. Selah."