n 1 a : the usu. narrowed part of an animal that connects the head with the body : specif : the cervical region of a vertebrate b : the part of a tapeworm immediately behind the scolex from which new proglottids are produced 2 : a relatively narrow part suggestive of a neck: as a : a narrow part of a bone <the of the femur> b : CERVIX 2 c : the part of a tooth between the crown and the root .
of the femur> b : 
