hippogonal
/hɪˈpɒɡənəl/
adjective1
- Being a move in a board game that is neither orthogonal nor diagonal, as a knight's move in chess. In chess, an (m,n) move spans m squares in one of the orthogonal directions and n squares in a perpendicular direction; the move is hippogonal if m and n are not equal and both greater than zero: 0 < n < m.