Coccyx

['kɒksɪks] or ['kɑksɪks]

(noun.) the end of the vertebral column in humans and tailless apes.

Checked by Edwin--From WordNet

(n.) The end of the vertebral column beyond the sacrum in man and tailless monkeys. It is composed of several vertebrae more or less consolidated.

Typed by Freddie

n. (anat.) the lower bone of the vertebral column:—pl. Coc′cyges.—adjs. Coccyg′ēal Coccyg′ian.

Editor: Noreen