ConnascenceCon*nas"cence\, Connascency \Con*nas"cen*cy\, n. [L. con- + nascentia birth, fr. nascens, p. pr. of nasci to be born.]1. The common birth of two or more at the same tome; production of two or more together. --Johnson. 2. That which is born or produced with another. 3. The act of growing together. [Obs.] --Wiseman.