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:
sigmodonts

Origin 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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