cœloma

Noun

 * 1) * 1879, Ernst Heinrich Philipp August Haeckel [aut.; translator unknown], The Evolution of Man: A Popular Exposition of the Principal Points of Human Ontogeny and Phylogeny, volume 1 (1897, D. Appleton and company), chapter 9, page 260:
 * To avoid confusion, we will in future call this cavity the cœloma.
 * To avoid confusion, we will in future call this cavity the cœloma.