Strong's #1754: duwr (pronounced dure)
from 1752; a circle, ball or pile:--ball, turn, round about.
Brown-Driver-Briggs Hebrew Lexicon:
ּּ
dûr
1) ball, circle
1a) circle
1b) ball
Part of Speech: noun masculine
Relation: from H1752
Usage:
This word is used 2 times:
Isaiah 22:18: "He will surely violently turn and toss thee like a ball into a large country:"
Isaiah 29:3: "And I will camp against thee round about, and will lay siege against thee with a mount, and I will raise forts"