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lorica

[luh-rahy-kuh, law-, loh-] /ləˈraɪ kə, lɔ-, loʊ-/
noun, plural loricae
[luh-rahy-see, -kee, law-, loh-] /ləˈraɪ si, -ki, lɔ-, loʊ-/ (Show IPA)
1.
Zoology. a hard protective case or sheath, as the protective coverings secreted by certain protists.
2.
a cuirass or corselet, originally of leather.
Origin
1700-1710
1700-10; (def 1) < Neo-Latin, special use of Latin lōrīca corselet (orig. of leather), akin to lōrum thong; (def 2) < Latin
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for lorica

lorica

/lɒˈraɪkə/
noun (pl) -cae (-siː; -kiː)
1.
the hard outer covering of rotifers, ciliate protozoans, and similar organisms
2.
an ancient Roman cuirass of leather or metal
Derived Forms
loricate (ˈlɒrɪˌkeɪt), loricated, adjective
Word Origin
C18: from New Latin, from Latin: leather cuirass; related to lōrum thong
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Encyclopedia Article for lorica

a tubular, conical, or vaselike structure secreted by some protozoans (e.g., Stentor) and many rotifers. Many species incorporate sand grains and other particles into the lorica for reinforcement. The loose-fitting case, closed at one end, has a large opening at the anterior end through which part of the organism (or its appendages) may be extended. The lorica is of taxonomic importance among protozoologists. See also test

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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