1 Linguistics (of a word) having the same linguistic derivation as another (e.g. English father, German Vater, Latin pater):the term is obviously cognate with the Malay segan
2 formal related; connected:cognate subjects such as physics and chemistry
related to or descended from a common ancestor.Compare with agnate.
noun
1 Linguistics a cognate word.
2 Law a blood relative, especially on the mother’s side.
Derivatives
cognately
adverb
cognateness
noun
Origin:
early 17th century: from Latin cognatus, from co- 'together with' + natus 'born'
cognate in other Oxford dictionaries
Definition of cognate in the US English dictionary
