Definition of spatchcocks:
(n) :
(cooking, also attributively) Poultry which has been cut along the spine and spread out for more even cooking.
(v) :
(cooking) To cut (poultry) along the spine and spread the halves apart for more even cooking.
(v) :
(figuratively) Often followed by in or into: to interpolate or insert (something into another thing) awkwardly; to sandwich (something within another thing).