Possible Clues:

• My boy, you see with this the sound of the night in Japan, by the sound of it
• 'When it comes to a -, women stick to their husbands' (Alison Lurie, Love and Friendship)
• Certain warrior
• Military caste member in feudal Japan
• Member of the warrior class of old Japan
• John Belushi played one
• Member of Japanese warrior caste
• One plant being pulled up by Japanese military
• Fighters concocting a tiramisu? Forget it!
• Seven -, film directed by Kurosawa