Stuck! Please help. 7d The nearside rider driving a post-chaise, coach or carriage with no coachman, (9) P_S_I___N. I think postillon but I'm not sure. Also 21a A collection or miscellany of musical or literary works; also a spicy Spanish stew made with various meat and vegetables. (4) O___ For the stew I have found OLLA but cannot relate it to the other things.