Definitions for "Coccyx"
The end of the vertebral column beyond the sacrum in man and tailless monkeys. It is composed of several vertebræ more or less consolidated.
The small bones that form the lower extremity of the spinal column.
Also known as the "tailbone". The coccyx are two to four tiny, partially fused vertebrae at the end of the sacrum.
Greek kokkyx = cuckoo, whose bill the coccyx resembles.
(G. kokkyx, a cuckoo, whose bill the bony structure is said to resemble). Os coccygis.