Related Clues:

• Bare bones of eclogue originally framed by old poet
• Internal framework
• - key; - staff
• Lining of rind; essence
• Spy's first to inform about key that's cut - this type?
• Inside rind, stone of fruit gets hard
• Kind of key that might be hidden in the cupboard
• A famous survivor among those who can nine
• Citrus rind lining
• Outline of ode finally penned by court poet
• Possibly key English penned by early poet
• Medulla
• Basic scheme of English embraced by poet
• Tissue beneath citrus fruit rind
• Mine's hard hats may be made of this