Strong's #70: 'oben (pronounced o'ben)
from the same as 68; a pair of stones (only dual); a potter's wheel or a midwife's stool (consisting alike of two horizontal disks with a support between):--wheel, stool.
Brown-Driver-Briggs Hebrew Lexicon:
'ôben
1) wheel, disc
1a) potter' s wheel
1b) bearing-stool, midwife' s stool
Part of Speech: noun masculine
Relation: from the same as H68
Usage:
This word is used 2 times:
Exodus 1:16: "the Hebrew women, and see them upon the stools; if it be a son, then ye shall kill"
Jeremiah 18:3: "he wrought a work the wheels."