sigmodont

S1I1G2M3O1D2O1N1T1

noun

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

OriginAncient Greek σῖγμα →
Scrabble 13
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Meanings

nounsigmodont (plural sigmodonts)

plural sigmodonts

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

Origin

  1. Ancient Greekσῖγμα
  2. 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
APA

sigmodont. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/sigmodont

MLA

“sigmodont.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sigmodont. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “sigmodont,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/sigmodont.

Source: sigmodont on Wiktionary, CC BY-SA 4.0.