Meanings
plural sigmodonts
- biologyAny of the Sigmodontinae subfamily of rodents, including New World rats and mice.
Origin
- Ancient Greekσῖγμα
- Englishsigmodont
Ancient Greek σῖγμα (sîgma) + ὀδών (odṓn, “tooth”). So called from the form of the ridges of enamel on the crowns of the worn molars.
More words from Ancient Greek
Full word history & related roots →Cite this entry
sigmodont. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/sigmodont
“sigmodont.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sigmodont. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “sigmodont,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/sigmodont.
Source: sigmodont on Wiktionary, CC BY-SA 4.0.