Pronunciation: (kog'nāt),[key] —adj. 1. related by birth; of the same parentage, descent, etc.
2. Ling.descended from the same language or form: such cognate languages as French and Spanish. 3. allied or similar in nature or quality.
—n. 1. a person or thing cognate with another.
2. a cognate word: The English word cold is a cognate of German kalt.