acoelomate

[ ey-see-luh-meyt, ey-see-loh-mit ]
/ eɪˈsi ləˌmeɪt, ˌeɪ siˈloʊ mɪt /
Zoology

adjective

Also a·coe·lom·a·tous [ey-see-lom-uh-tuhs, -loh-muh-], /ˌeɪ siˈlɒm ə təs, -ˈloʊ mə-/, a·coe·lo·mous. having no coelum.

noun

any organism that lacks a cavity between the body wall and the digestive tract, including the flatworms, nemertines, and sea anemones.

QUIZZES

IS YOUR DESERT PLANT KNOWLEDGE SUCCULENT OR DRIED UP?

Cactus aficionados, don't get left in the dust with this quiz on desert plants. Find out if you have the knowledge to survive this prickly foray into the desert!
Question 1 of 7
This tall, horizontally branched cactus is probably the most recognizable cactus in Arizona. What is it called?

Origin of acoelomate

First recorded in 1875–80; a-6 + coelomate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020