Rodentia
noun plural
Ro·den·tia
| \ rō-ˈden-chə
, -ˈdent-ē-ə
\
, -ˈdent-ē-ə
\
Medical Definition of Rodentia
: an order of the division Eutheria comprising relatively small gnawing mammals having a single pair of incisors in each jaw that grow from persistent pulps and bear enamel chiefly in front to produce a chisel-shaped edge