sigmodont

See also: Sigmodont

English

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.

Noun

sigmodont (plural sigmodonts)

1. (zoology) Any of the Sigmodontinae subfamily of rodents, including New World rats and mice.

References

• “sigmodont”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.