The definition of hereditary refers to something inherited through the family or passed down through the family.(adjective)
When you get a medical condition passed down from your mother, this is an example of a hereditary medical condition.
See hereditary in Webster's New World College Dictionary
Origin: L hereditarius < hereditas: see heredity
See hereditary in American Heritage Dictionary 4
Origin: Middle English
Origin: , from Latin hērēditārius
Origin: , from hērēditās, inheritance; see heredity.
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