See Also: periostracum(medicine)
periostracum(dictionary)

footie (oh) and periostracum (iou)


footie (oh)



[Date: 1900-2000; Origin: Football]
Football

periostracum (iou)



periostracum noun. . M19.
[mod. Latin, formed as PERI- + Greek ostrakon shell of a mussel etc.]
Zoology. The outer horny covering of the shell of a mollusc or brachiopod.