English Explanatory Dictionary

sigmodont

English dictionary entry

Meanings

noun
  1. Any of the Sigmodontinae subfamily of rodents, including New World rats and mice.

Word forms

sigmodont sigmodonts

Etymology

Ancient Greek σῖγμα (sîgma) + ὀδών (odṓn, “tooth”). So called from the form of the ridges of enamel on the crowns of the worn molars.

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