sigmodontadj.n.
/ˈsɪɡmədɒnt/ Zoology.
A. adj.
Belonging to the Sigmodontes, a class of murine animals in which the molars exhibit sigmoid patterns.
ΘΚΠ
the world > animals > mammals > group Unguiculata or clawed mammal > order Rodentia or rodent > superfamily Myomorpha (mouse, rat, vole, or hamster) > [adjective] > of other types of mice or rats
sigmodont1877
multimammate1902
nude1966
1877 E. Coues & J. A. Allen Monogr. N. Amer. Rodentia (U.S. Geol. Surv. Territories, vol. XI) 32 The loops of enamel..do form a sort of sigma, but it is usually a broken and always a distorted one, never more evident than in some other sigmodont forms.
1884 Encycl. Brit. XVII. 6/2 Other groups,..probably descendants of Sigmodont Muridæ.
B. n.
An animal belonging to this class.
ΘΚΠ
the world > animals > mammals > group Unguiculata or clawed mammal > order Rodentia or rodent > superfamily Myomorpha (mouse, rat, vole, or hamster) > [noun] > family Muridae > other types of mouse or rat
rock rat1781
Otomys1834
rabbit rat1837
deer-mouse1840
bamboo rat1881
muskrat1884
sigmodont1884
grasshopper mouse1888
veld rat1905
striped mouse1932
Sprague-Dawley1951
1884 Encycl. Brit. XVII. 5/1 A represents the upper molars of a Mus, and B the corresponding teeth of a Sigmodont.
This entry has not yet been fully updated (first published 1910; most recently modified version published online March 2020).
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adj.n.1877