argonauts
plural of argonaut

argulid
Any member of the Argulidae.

argulids
plural of argulid

arhythmogenesis
Misspelling of arrhythmogenesis.

arietitid
Any of the extinct ammonites in the family Arietitidae.

arietitids
plural of arietitid

ariid
Any member of the family Ariidae of catfishes.

ariids
plural of ariid

arionid
Any of the slugs in the family Arionidae.

arionids
plural of arionid

ariophantid
Any of the slugs in the family Ariophantidae.

ariophantids
plural of ariophantid

arkars
The urial (subspecies of sheep).

armed bullhead
Agonus cataphractus, a fish covered in hard bony plates.

armhook
A hook-like projection on the arm of a cephalopod, such as on the armhook squid (Gonatus fabricii).
A movement in which two people hook arms at the elbow and turn around each other.
A hook for maneuvering something using the arm.

armhooks
plural of armhook

armillae
plural of armilla

armillas
plural of armilla

arminoids
plural of arminoid

armomancy
Divination using the shoulder blade of an animal. It was taken from a dead animal and thrown into a fire, and the cracks formed in the bone were then interpreted.
Divination through inspecting one's shoulders. In ancient times, this inspection was to see whether a human was a suitable sacrifice to the gods.

armourhead
Synonym of boarfish.

armourheads
plural of armourhead

armsbearer
Alternative form of arms-bearer.

armsbearers
plural of armsbearer

arolia
plural of arolium

arolium
A median lobe into which the pretarsus expands in an insect's leg.

arowana
Any of various large freshwater fish belonging to the family Osteoglossidae (especially from genera Heterotis, Osteoglossum, and Scleropages), found in South America, Southeast Asia, Australia, and Africa. These fish are mainly carnivorous and are characterized by large, bony scales, a toothed tongue, and a wide, slanted mouth.
Any of various large freshwater fish belonging to the family Osteoglossidae (especially from genera Heterotis, Osteoglossum, and Scleropages), found in South America, Southeast Asia, Australia, and Africa. These fish are mainly carnivorous and are characterized by large, bony scales, a toothed tongue, and a wide, slanted mouth.

arowanas
plural of arowana

arrau
Ellipsis of arrau turtle.

arraus
plural of arrau

arrie
A murre or guillemot.

arries
plural of arrie

arrow worm
A predatory marine worm of the phylum Chaetognatha.

arrow worms
plural of arrow worm

arrowtail
A fish Melanonus zugmayeri

arrowtails
plural of arrowtail

arrowtooth flounder
A flatfish, of species Atheresthes stomias.

arrowworms
plural of arrowworm

arrythmogenesis
Misspelling of arrhythmogenesis.

arsecunt
Rare form of asscunt.

arsenicker
The great blue heron.

arsenickers
plural of arsenicker.

arsnicker
Alternative form of arsenicker.

arsnickers
plural of arsnicker.

arthopod
Misspelling of arthropod.

arthrochalasia
Alternative form of arthrochalasis.

arthrochalasis
A rare form of Ehlers-Danlos syndrome, characterised by very loose joints and dislocations involving both hips.

arthroderm
The exoskeleton of an arthropod.

arthroderms
plural of arthroderm

arthrodire
Any member of the extinct order Arthrodira, armored jawed fishes that flourished in the Devonian period.

arthrodires
plural of arthrodire

arthromere
Any of the constitutive body segments of a jointed animal.

arthromeres
plural of arthromere

arthropod
An invertebrate animal of the phylum Arthropoda, characterized by a chitinous exoskeleton and multiple jointed appendages.

arthropodae
plural of arthropod

arthropodian
Synonym of arthropod.
Any plant of the genus Arthropodium

arthropodians
plural of arthropodian

arthropodivore
Any animal that eats arthropods

arthropodivores
plural of arthropodivore

arthropods
plural of arthropod

artificer
Someone who is skilled in their trade; an artisan.
An inventor.
A member of the military who specializes in manufacturing and repairing weapon systems.
A trickster.
A savant.

artificers
plural of artificer

artiodactylates
plural of artiodactylate

artocyonid
Misspelling of arctocyonid.

aruana
Alternative form of arowana (“type of fish”).

aruanas
plural of aruana

aruspicy
Alternative form of haruspicy.

arvicole
field mouse (US, Canada), vole

arvicoles
plural of arvicole

arvicolid
Any member of the cricetid subfamily Arvicolinae, formerly considered to be the family Arvicolidae.

arvicolids
plural of arvicolid

asaphid
Any trilobite of the order Asaphida.

asaphids
plural of asaphid

ascalaphid
Any member of the family Ascalaphidae of owlflies.

ascalaphids
plural of ascalaphid

ascaphid
Any of the tailed frogs in the family Ascaphidae

ascaphids
plural of ascaphid

ascarides
plural of ascaris

ascaris
Alternative form of ascarid.

ascid
Any of the mites in the family Ascidae.

ascidian
Any member of the class Ascidiacea (the sea squirts)

ascidians
plural of ascidian

ascids
plural of ascid

asclepiad
Alternative form of Asclepiad.

ascocerid
Any member of the extinct Ascocerida order of cephalopods

ascocerids
plural of ascocerid

ascophoran
Any bryozoan of the suborder Ascophora

ascophorans
plural of ascophoran

asellid
Any member of the family Asellidae of crustaceans.

asellids
plural of asellid

asellote
Any isopod crustacean of the suborder Asellota.

asellotes
plural of asellote

asher
A member of the alt.suicide.holiday newsgroup, which deals with the topics of suicide and depression.

ashers
plural of asher

asilid
Any member of the family Asilidae of robber flies.

asilids
plural of asilid

asilomorph
Any fly of the infraorder Asilomorpha.

asilomorphs
plural of asilomorph

aspides
plural of aspis

aspidobranch
Any member of the Aspidobranchia, a taxonomic order of sea snails.

aspidobranchs
plural of aspidobranch

aspidoceratid
Any of the extinct ammonites in the family Aspidoceratidae.

aspidoceratids
plural of aspidoceratid

aspidosiphonid
Any of the peanut worms in the family Aspidosiphonidae.

aspidosiphonids
plural of aspidosiphonid

aspis
A type of round shield borne by ancient Greek soldiers.
An asp or generic venomous snake
A prominent ring of thickened exine around a pore on a pollen grain

aspredinid
Any member of the family Aspredinidae of banjo catfishes.

aspredinids
plural of aspredinid

aspro
associate professor

aspros
plural of aspro

assapan
A southern flying squirrel (Glaucomys volans), found in the southern and eastern United States.

assapans
plural of assapan

asscunt
Anus
A term of abuse.

assemblyman
A male member of an assembly.
A member of the lower house of certain US state legislatures.

assemblymen
plural of assemblyman

assemblywoman
A female member of an assembly.
A member of the lower house of certain US state legislatures.

assemblywomen
plural of assemblywoman

assessor
One who assesses a property for tax or insurance evaluation.
A specialist who assists the court in determining a matter.
A civil servant entrusted with checking the veracity of data and criteria used by a taxpayer to complete a tax return.
One who assesses a project for cost evaluation.
An official responsible for student welfare.
A member of an executive body in Italian local government.

assessors
plural of assessor

assessour
Obsolete form of assessor.

assessours
plural of assessour

assfish
Any of several types of fish:
Any of several types of fish:
Any of several types of fish:
Any of several types of fish:

assfishes
plural of assfish

assilag
The storm petrel.

assistants
plural of assistant

astaciculture
crayfish farming

astacid
Any of the crayfish in the family Astacidae

astacids
plural of astacid

astacology
The study of crayfish (Astacoidea).

asteiid
Any of the flies in the family Asteiidae.

asteiids
plural of asteiid

asteriid
Any member of the family Asteriidae of sea stars.

asteriids
plural of asteriid

asteriosaponin
Any of a group of toxic saponins produced by starfish

asteriosaponins
plural of asteriosaponin