perisarc

American

[per-uh-sahrk] / ˈpɛr əˌsɑrk /

noun

Zoology.

the horny or chitinous outer case or covering protecting the soft parts of hydrozoans.

perisarc British

/ ˈpɛrɪˌsɑːk /

noun

the outer chitinous layer secreted by colonial hydrozoan coelenterates, such as species of Obelia

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

perisarcal adjective
perisarcous adjective

Etymology

Origin of perisarc

1870–75; peri- + -sarc < Greek sárx (genitive sarkós ) flesh

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Histologically, the perisarc or test in the Graptoloidea appears to be composed of three layers, a middle layer of variable structure, and an overlying and an underlying layer of remarkable tenuity.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023