spatchcock       
 noun [ C or U ] uk/ˈspætʃ.kɒk/ us/ˈspætʃ.kɑːk/  spatchcocks or spatchcock
 (把鸡或其他家禽从中间剖开,压平后烹饪的)展平烤全鸡,蝶形烤全鸡
a chicken or other type of bird that has been cut open down the middle, pressed flat, and cooked; this method of cooking a chicken, etc.
  Massage the mixture into the skin of the spatchcocks and allow them to marinate for 1 hour minimum. 将混合好的佐料揉到展平压好的全鸡上,腌制至少一个小时。 
 We went straight to the main course and ordered spatchcock and beef tenderloin. 我们直接点了主菜,要了一份蝶形烤全鸡和一份牛腰肉。 
 - More examples
 - When we grill chicken, I prefer the thighs and drumsticks or even the whole chicken as in my Spicy Spatchcock Chicken.
 - Spatchcocks are available from game butchers and specialty poultry suppliers.
 - Her recipe for buttered spatchcock has chickens covered with a thick layer of butter.
 
spatchcock       
verb [ T ] uk/ˈspætʃ.kɒk/ us/ˈspætʃ.kɑːk/
 (烹饪前将鸡或其他家禽)从中间剖开压平
to prepare a chicken or other type of bird for cooking by cutting it open down the middle, and then pressing it flat
  First, spatchcock the chicken (see our step-by-step video here). 首先,将整只鸡从中间剖开压平(见我们的分步小视频)。 
 - More examples
 - The contestants had to attempt to spatchcock a poussin and then make a lemon curd.
 - Spatchcocked quail was a little fiddly to eat, particularly as a dish to share.
 - The recipe requires 4 poussin (ask your butcher to spatchcock them for you).
 - Once all the birds are spatchcocked, smear with marinade and leave overnight in the fridge.