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back-heart
back-heart n.
Brit. 
/ˈbakhɑːt/
, /ˈbakhɑːt/U.S. /ˈbækˌhɑrt/
the dorsal heart or large blood vessel of insects and other arthropoda./ˈbækˌhɑrt/ΘΚΠ
the world > animals > invertebrates > phylum Arthropoda > [noun] > member of > parts of > dorsal heart
back-heart1883
1883 Longman's Mag. May 49 A jointed animal..with a back-heart, a nervous system below, and a digestive tube.
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