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prosternum

American  
[proh-stur-nuhm] / proʊˈstɜr nəm /

noun

  • prosterna,
    plural
  • prosternums
    plural
  1. the ventral sclerite of the prothorax of an insect.


prosternum British  
/ prəʊˈstɜːnəm /

noun

  1. the sternum of the prothorax of an insect

"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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Nouns

Etymology

Origin of prosternum

From New Latin, dating back to 1820–30; see origin at pro- 1, sternum

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.

See Examples For:

The Naucoridae and Belostomatidae are flattened insects, with four-segmented feelers and fore-legs inserted at the front of the prosternum.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 3 "Helmont, Jean" to "Hernosand" by Various

Sternal elements of prosoma almost entirely absent, traces of a prosternum and metasternum alone remaining.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" by Various

Proboscis free, not supported from below by either the prosternum or the basal segments of the appendages of the 2nd pair.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" by Various

By means of the oar-like hind-legs they swim actively through the water with the ventral surface upwards; the fore-legs are inserted at the hinder edge of the prosternum.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 3 "Helmont, Jean" to "Hernosand" by Various

Rostrum free, not supported by either the prosternum or the basal segments of the appendages.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" by Various

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