testacean

[te-stey-shuhn]

adjective

Zoology.

1. having a shell or test.

testacean

1. Any of various protozoans of the order Arcellinida (or Testacida) that are encased in a shell. Testaceans are rhizopods and are related to amoebas. Their shell usually has one chamber and may be secreted by the organism as a chitinous or siliceous covering, or may be glued together out of sand particles.

Word History and Origins

Origin of testacean¹

1835–45; < Latin testāce ( us ) shell-covered, testaceous + -an

Example Sentences

The abolition at Rome of the ancient games must be understood with some latitude; and the carnival sports of the Testacean Mount and the Circus Agonalis were regulated by the law or custom of the city.

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