Strong's #755: 'arkubah (pronounced ar-koo-baw')

(Aramaic) from an unused root corresponding to 7392 (in the sense of bending the knee); the knee:--knee.

Brown-Driver-Briggs Hebrew Lexicon:

(Aramaic)

'arkûbâh

1) knee

Part of Speech: noun feminine

Relation: from an unused root corresponding to H7392 (sense of bending a knee)

Usage:

This word is used 1 times:

 

Daniel 5:6: "him, so that the joints of his loins were loosed, and his knees smote one against another."