Strong's #2157: Zamzom (pronounced zam-zome')
from 2161; intriguing; a Zamzumite, or native tribe of Palestine:--Zamzummim.
Brown-Driver-Briggs Hebrew Lexicon:
zamzôm
Zamzummims = "plotters"
1) the Ammonite name for the people who by others were called Rephaim, and were described as a numerous nation of giants; perhaps the same as ' Zuzim'
Part of Speech: noun proper masculine
Relation: from H2161
Usage:
This word is used 1 times:
Deuteronomy 2:20: "therein in old time; and the Ammonites call them Zamzummims;"