In the title compound C(18)H(14)N(2)O, the pendant rings make dihedral angles of 66.1 (1)° and 13.9 (1) with the central ring. In the crystal, two mol-ecules form a cyclic centrosymmetric R(2) (2)(22) dimer through pairs of C-H⋯O bonds. These dimers are further connected into zigzag chains extending along the b axis through C-H⋯π and C-H⋯O inter-actions.