a disease of the skeletal system, chiefly of children, resulting from vitamin D deficiency and characterized by a softening and, often, bending of the bones
Origin of ricketsaltered ; from uncertain or unknown; perhaps Classical Greek rhachitis, rachitis
noun(used with a sing. or pl. verb)
A bone disease of children marked by bone demineralization and defective bone growth, caused usually by a deficiency of or an impaired metabolism of vitamin D. Also called rachitis.
Origin of ricketsOrigin unknown.