Sigmodont Definition
noun
(zoology) Any of the Sigmodontinae tribe of rodents, including all the indigenous rats and mice of America.
Wiktionary
Other Word Forms of Sigmodont
Noun
Singular:
sigmodont
Plural:
sigmodontsOrigin of Sigmodont
Ancient Greek σῖγμα (sīgma) + ὀδών (odōn, “tooth”). So called from the form of the ridges of enamel on the crowns of the worn molars.
From Wiktionary
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