Dictionary
Words, grammatical forms and meanings linked to the ontology.
dorso-ventrally en · ADV
Meanings
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In a dorso-ventral direction; from the back to the front.
So it is that one of the characteristics that the sperm whale shares with all cetaceans is that it swims by flexing its tail flukes dorso-ventrally, a less efficient way of swimming than that of its distant piscine ancestors, but a mode of locomotion that derives directly from the galloping of its more recent terrestrial ones.
2011 September 22, Richard Shelton, “Sheep, pig, whale”, in Times Literary Supplement:
Forms