Word not found in any official scrabble dictionaries.
"Obex" Definition
noun
The point in the human brain at which the fourth ventricle narrows to become the central canal of the spinal cord.
Source: Wiktionary
A barrier; hence, a preventive.
Source: Century Dictionary
In anatomy, a thickening at the point of the calamus scriptorius in the membrane roofing the fourth ventricle.
Source: Century Dictionary
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