an alcyonarian coral of the genus Tubipora, occurring in tropical waters, and forming a complex colony of brick-red, vertical tubules joined at intervals by transverse plates.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use organ-pipe coral in a sentence
Tubipora, the organ-pipe coral, has green polyps emanating from its red tubes.The Sea-beach at Ebb-tide | Augusta Foote Arnold
Because of the appearance of the skeleton certain corals have received common names, as the organ-pipe coral, brain coral, etc.Elementary Zoology, Second Edition | Vernon L. Kellogg