The definition of cognate is related by birth.(adjective)
An example of cognate is the relationship between two siblings.
See cognate in Webster's New World College Dictionary
Origin: L cognatus, related by birth < co-, together + gnatus, pp. of gnasci, older form of nasci, to be born: see genus
See cognate in American Heritage Dictionary 4
Origin: Latin cognātus
Origin: : co-, co-
Origin: + gnātus, born
Origin: , past participle of nāscī, to be born; see genə- in Indo-European roots.
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