Defn: That tie of consanguinity which exists between persons descended from the same mother; — used in distinction from agnation.
COGNATUS
Cog*na"tus, n. Etym: [L., a kinsman.] (Law)
Defn: A person cinnected through cognation.
COGNISOR; COGNISEE
Cog`ni*sor" ( or ), Cog`ni*see, n.
Defn: See Cognizor, Cognizee.
COGNITION Cog*ni"tion, n. Etym: [L. cognitio, fr. cognoscere, cognitum, to become acquainted with, to know; co- + noscere, gnoscere, to get a knowledge of. See Know, v. t.]
1. The act of knowing; knowledge; perception. I will not be myself nor have cognation Of what I feel: I am all patience. Shak.
2. That which is known.
COGNITIVE
Cog"ni*tive, a.
Defn: Knowing, or apprehending by the understanding; as, cognitive power. South.