• (a.) Resembling a series of dovetails; -- said of a line of division, such as the border of an ordinary.
In·clave' adjective [ See Inclavated .] (Her.) Resembling a series of dovetails; -- said of a line of division, such as the border of an ordinary. 
In heraldry, inclave means resembling a series of dovetails. The term is applied to a line of division, such as the border of an ordinary.