guinea pig
Any tailless rodent of the genus Cavia, which have short ears and superficially resemble large hamsters.
Any tailless rodent of the genus Cavia, which have short ears and superficially resemble large hamsters.
A living experimental subject.
A professional company director, without time or real qualifications for the duties.
A midshipman in the East India service; (by extension) a low-skilled or non-proficient seaman.

guinea pigs
plural of guinea pig

guineapig
Alternative spelling of guinea pig.

guineapigs
plural of guineapig

gundi
Any of the several North African rodents of the family Ctenodactylidae.

gundis
plural of gundi

hairy-soled conyrat
bunny rat

harvest mice
plural of harvest mouse

harvest mouse
Micromys minutus, a species of the sub-family Murinae (Old World rats and mice).
A New World mouse of the genus Reithrodontomys.

hazel dormouse
A small nocturnal dormouse, Muscardinus avellanarius, with golden-brown fur and large black eyes.

heather vole
Any of various North American voles in the genus Phenacomys that live in heathland and similar areas.

heather voles
plural of heather vole

heterocephalus
A deformed baby born with two heads of unequal size.

hidden forest chipmunk
Synonym of Uinta chipmunk.

hill rats
plural of hill rat

hoary bamboo rat
Rhizomys pruinosus, a species of rat.

hoary marmot
A rodent of the species Marmota caligata.

hocicudo
Any South American rodent in the genus Oxymycterus.

hopping mouse
Any of various endemic Australian mice of the genus Notomys.

house mice
plural of house mouse

house mouse
The universally common mouse of the species Mus musculus.

house rat
The black rat, Rattus rattus.

hutia
Any of the medium-sized rodents of the subfamily Capromyinae, which inhabit the Caribbean islands.

hutias
plural of hutia

hystrix
ichthyosis hystrix

jerboa
Any of a number of species comprising the family Dipodidae, native to the deserts of Asia and northern Africa, being a small, jumping rodent with a long tufted tail, very small forefeet and very long hind legs.

jerboas
plural of jerboa

jird
Any of various agricultural pest rodents of genus Meriones or rodents of certain species in the genera Sekeetamys, Brachiones, and sometimes Pachyuromys.

jirds
plural of jird

jumping mice
plural of jumping mouse

jumping mouse
Any species of the taxonomic family Zapodidae of rodents, variously endemic to North America or China.

kangaroo mice
plural of kangaroo mouse

kangaroo rat
Any of many different species in genus Dipodomys, rodents that move about by hopping.

kangaroo rats
plural of kangaroo rat

kha-nyou
A rodent species of the Khammouan region of Laos, Laonastes aenigmamus, first described in 2005

lab rat
A student or employee who spends a great deal of time working in a laboratory.
A person or group used as the subject of an experiment or test, especially unwillingly or unwittingly.

large-headed rice rat
The oryzomyine rodent Hylaeamys laticeps.
The oryzomyine rodent Hylaeamys megacephalus.

lemming
A small arctic and subarctic rodent of the tribes Lemmini, Dicrostonychini and Lagurini.
Any member of a group given to conformity or groupthink, especially a group poised to follow a leader off a cliff.

lemmings
plural of lemming

lerot
Synonym of garden dormouse.

lerots
plural of lerot

lesser capybara
A semi-aquatic rodent of the species Hydrochoerus isthmius.

loir
dormouse

loirs
plural of loir

long-tailed chinchilla
Any of the species Chinchilla laniger, found in South America.

lowland paca
A species of paca (Cuniculus paca).

maned rat
Lophiomys imhausi, a nocturnal, long-haired and bushy-tailed East African rodent that superficially resembles a porcupine.

mara
A nightmare; a spectre or wraith-like creature in Germanic and particularly Scandinavian folklore; a female demon who torments people in sleep by crouching on their chests or stomachs, or by causing terrifying visions.

maras
plural of mara

marmot
Any of several large ground-dwelling rodents of the genera Marmota and Cynomys in the squirrel family.

marmots
plural of marmot

marsh rice rat
Oryzomys palustris, a semiaquatic North American rodent in the family Cricetidae, mostly found in wetland habitats.

meadow jumping mouse
A jumping mouse found in moist habitats throughout much of Canada and the northeastern United States, Zapus hudsonius.

meadow mice
plural of meadow mouse

meadow vole
A small rodent (Microtus pennsylvanicus), native to the United States.
Any vole of the genus Microtus.

meadow voles
plural of meadow vole

melomys
A rat of the genus Melomys, principally of Australasia.

melomyses
plural of melomys

mesquite mouse
Peromyscus merriami, a species of rodent in the family Cricetidae.

microtia
A congenital deformity where the pinna (external ear) is underdeveloped.

moco
Rock cavy (Kerodon rupestris).

mocos
plural of moco

mole rat
Alternative spelling of mole-rat.

moonack
A woodchuck.
A frightful mythical forest creature.

mountain beavers
plural of mountain beaver

mountain degu
A South American rodent, Octodontomys gliroides, related to the degus.

mountain rat
The sewellel (Aplodontia rufa).

mountain voles
plural of mountain vole

mouse
A rodent, typically having a small body, dark fur, and a long tail.
Any small rodent of the genus Mus.
A quiet or shy person.
An input device that is moved over a pad or other flat surface to produce a corresponding movement of a pointer on a graphical display.
A pointer.
A facial hematoma or black eye.
A turn or lashing of spun yarn or small stuff, or a metallic clasp or fastening, uniting the point and shank of a hook to prevent its unhooking or straightening out.
A familiar term of endearment.
A match used in firing guns or blasting.
A small model of (a fragment of) Zermelo-Fraenkel set theory with desirable properties (depending on the context).
A small cushion for a woman's hair.
Part of a hind leg of beef, next to the round.

mouse-like hamster
A brush-tailed mouse.

mouse-like hamsters
plural of mouse-like hamster

mousemat
Alternative spelling of mouse mat.

mousemats
plural of mousemat

mousepad
Alternative spelling of mouse pad.

mousepads
plural of mousepad

mouses
third-person singular simple present indicative of mouse

mus
plural of mu

muscardinid
dormouse

muscardinids
plural of muscardinid

muskrat
A semiaquatic rodent of the tribe Ondatrini.
Any of several shrews in the family Soricidae, especially an Asian house shrew (Suncus murinus).
A bandicoot rat.

muskrats
plural of muskrat

naked mole rat
A burrowing rodent (Heterocephalus glaber), native to parts of East Africa.

naked mole-rat
Alternative form of naked mole rat.

namtap
Graphiurus ocularis, a South African dormouse.

nanofiber
Any fibre having a nanoscale diameter.

nanofibers
plural of nanofiber

nanofibre
Alternative spelling of nanofiber.

nanofibres
plural of nanofibre

noki
Synonym of dassie rat.

nokis
plural of noki

northern birch mouse
A rodent classified in the family Sminthidae, Sicista betulina that is found in subarctic and cool temperate Asia from Scandinavia to Lake Baikal.

northern bog lemming
A small North American lemming, Synaptomys borealis.

northern grasshopper mouse
Onychomys leucogaster, a North American carnivorous rodent.

northern palm squirrel
A species of squirrel, Funambulus pennantii, native to the Indian subcontinent.

northern red-backed vole
A species of vole, Myodes rutilus, former genus names Clethrionomys and Evotomys.

northern three-toed jerboa
Dipus sagitta, a rodent in the family Dipodidae.

nutria
The coypu, Myocastor coypus.
The fur of the coypu.

nutrias
plural of nutria

octodonts
plural of octodont

oldfield mouse
Peromyscus polionotus, a nocturnal rodent in the family Cricetidae, found in the southeastern United States.
Thomasomys, a genus of rodent found in South America.

ondatra
The muskrat.

ondatras
plural of ondatra

overstrata
plural of overstratum