Strong's Number H3778

Kasdiy{kas-dee'}(occasionally with enclitic) Kasdiymah{kas-dee'- maw}

a Kasdite, or descendant of Kesed; by implication, a Chaldaean (as if so descended); also an astrologer (as if proverbial of that people

Chaldeans 59, Chaldees 14, Chaldea 7

Total: 80
Occurs 80 times in the Hebrew text.

Chaldea or Chaldeans = "clod-breakers" n pr loc

1. a territory in lower Mesopotamia bordering on the Persian Gulf n pr m
2. the inhabitants of Chaldea, living on the lower Euphrates and Tigris
3. those persons considered the wisest in the land (by extension)