1. (noun) relatively small placental mammals having a single pair of constantly growing incisor teeth specialized for gnawing

• gnawer

1. (noun) relatively small placental mammals having a single pair of constantly growing incisor teeth specialized for gnawing

• abrocome
• chinchilla rat
• rat chinchilla
• agouti
• dasyprocta aguti
• aplodontia rufa
• mountain beaver
• sewellel
• beaver
• capibara
• capybara
• hydrochoerus hydrochaeris
• cavy
• chinchilla
• chinchilla laniger
• chinchillon
• lagostomus maximus
• viscacha
• cotton rat
• sigmodon hispidus
• coypu
• myocastor coypus
• nutria
• cuniculus paca
• paca
• dolichotis patagonum
• mara
• dormouse
• florida water rat
• neofiber alleni
• round-tailed muskrat
• gerbil
• gerbille
• hamster
• hedgehog
• porcupine
• jerboa
• jumping mouse
• lemming
• marmot
• mole rat
• mole rat
• mountain chinchilla
• mountain viscacha
• mountain paca
• mouse
• murine
• muskrat
• musquash
• ondatra zibethica
• new world mouse
• prairie dog
• prairie marmot
• rat
• sand rat
• squirrel
• water rat
• wood rat
• wood-rat

1. (noun) relatively small placental mammals having a single pair of constantly growing incisor teeth specialized for gnawing

• eutherian
• eutherian mammal
• placental
• placental mammal

1. (noun) relatively small placental mammals having a single pair of constantly growing incisor teeth specialized for gnawing

• order rodentia
• rodentia

1. (noun) relatively small placental mammals having a single pair of constantly growing incisor teeth specialized for gnawing

• gnaw