Sihon

Boyd’s Bible Dictionary:

(rooting out). An Amorite king, defeated by the Israelites, who occupied his country between the Arnon and Jabbok (Num. 21:21-31; Deut. 1:4; 2:24-37; Josh. 13:15-28).

Concise Bible Dictionary:

King of the Amorites, who, after his victory over the Moabites, was defeated and slain, with his army, by the Israelites. His territory was on the east of the Jordan, from the Arnon to the Jabbok: it was possessed by the Israelites. The victory is commemorated in two of the Psalms (Num. 21:21-35; Num. 32:33; Deut. 1:4; Deut. 2:24-36; Deut. 3:2-6; Josh. 12:2; Judg. 11:19-22; Psa. 135:11; Psa. 136:19; Jer. 48:45).

Strong’s Dictionary of Hebrew Words:

Transliteration:
Ciychown
Phonic:
see-khone’
Meaning:
or Ciychon {see-khone'}; from the same as 5477; tempestuous; Sichon, an Amoritish king
KJV Usage:
Sihon

Jackson’s Dictionary of Scripture Proper Names:

sweeping away: scraping away

Potts’ Bible Proper Names:

Pleasure greatly desired; tempestuous:―an Amorite king, Num. 21:21, {Dilectatio exoptata}