Cog″nate (?), a. [L. cognatus; co- + gnatus, natus, p. p. of nasci, anciently gnasci, to be born. See Nation, and cf. Connate.] 1. Allied by blood; kindred by birth; specifically (Law), related on the mother's side.
2. Of the same or a similar nature; of the same family; proceeding from the same stock or root; allied; kindred; as, a cognate language.