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brachiopod

[brey-kee-uh-pod, brak-ee-] /ˈbreɪ ki əˌpɒd, ˈbræk i-/
noun
1.
any mollusklike, marine animal of the phylum Brachiopoda, having a dorsal and ventral shell; a lamp shell.
adjective
2.
Also, brachiopodous
[brey-kee-op-uh-duh s, brak-ee] /ˌbreɪ kiˈɒp ə dəs, ˌbræk i/ (Show IPA)
. belonging or pertaining to the Brachiopoda.
Origin
1830-1840
1830-40; < New Latin Brachiopoda. See brachio-, -pod
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for brachiopod
  • brachiopod valves differ in size and shape, and are not mirror images.
  • The two brachiopod valves differ in shape and size from one another.
  • brachiopod diversity declined significantly at the end of the paleozoic.
British Dictionary definitions for brachiopod

brachiopod

/ˈbreɪkɪəˌpɒd; ˈbræk-/
noun
1.
any marine invertebrate animal of the phylum Brachiopoda, having a ciliated feeding organ (lophophore) and a shell consisting of dorsal and ventral valves Also called lamp shell See also bryozoan
Word Origin
C19: from New Latin Brachiopoda; see brachium, -pod
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
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Word Origin and History for brachiopod
n.

"bivalve mollusk," 1836, Modern Latin, from Greek brakhion "arm" (see brachio-) + pous "foot" (see foot (n.)). They have long spiral "arms" on either side of their mouths.

Online Etymology Dictionary, © 2010 Douglas Harper
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brachiopod in Science
brachiopod
  (brā'kē-ə-pŏd')   
Any of various marine invertebrate animals of the phylum Brachiopoda that resemble clams. Brachiopods have paired upper and lower shells attached to a usually stationary stalk and hollow tentacles covered with cilia that sweep food particles into the mouth. Brachiopods are probably related to the phoronids and bryozoans, and were extremely abundant throughout the Paleozoic Era.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Article for brachiopod

Brachiopoda

any member of the phylum Brachiopoda, a group of bottom-dwelling marine invertebrates. They are covered by two valves, or shells; one valve covers the dorsal, or top, side; the other covers the ventral, or bottom, side. The valves, of unequal size, are bilaterally symmetrical; i.e., the right and left sides are mirror images of one another. Brachiopods (from the Greek words meaning "arm" and "foot") are commonly known as lamp shells because they resemble early Roman oil lamps.

Learn more about Brachiopoda with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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