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tergum

American  
[tur-guhm] / ˈtɜr gəm /

noun

Zoology.
terga plural
  1. the dorsal surface of a body segment of an arthropod.


tergum British  
/ ˈtɜːɡəm /

noun

  1. a cuticular plate covering the dorsal surface of a body segment of an arthropod Compare sternum

"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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Etymology

Origin of tergum

1820–30; < Latin: the back

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.

The scutum overlaps either about one third or even one half of the entire width of the tergum, and abuts against a prominent longitudinal ridge on its exterior surface.

From A Monograph on the Sub-class Cirripedia With Figures of all the Species. by Darwin, Charles

In L. Valentiana, there is a second furrow on the carinal side of the tergum, receiving the upper end of the corium-covered or growing surface of the carina.

From A Monograph on the Sub-class Cirripedia With Figures of all the Species. by Darwin, Charles

I may remark, that in all the species of Lepas, the upper part of the tergum seems particularly variable.

From A Monograph on the Sub-class Cirripedia With Figures of all the Species. by Darwin, Charles

In L. truncata and L. Valentiana, this ridge on the tergum being folded over towards the scutum, forms a conspicuous furrow, receiving the tergal margin of the latter.

From A Monograph on the Sub-class Cirripedia With Figures of all the Species. by Darwin, Charles

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