1) Orthopedic surgical procedure 
Coccygectomy is a surgical procedure during which the coccyx is removed. It can be performed for many reasons for instance in patients with coccyx pain (tailbone pain), however it is typically reserved for patients with malignant cancer or for patients whose tailbone pain has failed to respond to nonsurgical treatment (such as medications by mouth...
<procedure> Removal of the coccyx. ... Origin: coccyx + G. Ektome, excision ... (05 Mar 2000) ... 
(kok″sĭ-jek´tә-me) excision of the coccyx.
An operation to remove the coccyx.
Type: Term Pronunciation: kok′sē-jek′tō-mē Definitions: 1. Removal of the coccyx.
coccygectomy Surgical removal of the coccyx. The coccyx is the last bone of the spinal column, sometimes referred to as man's vestigial tail. It is also identified as the last portion of the vertebral column just below the sacrum.