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Any of numerous invertebrate animals of the phylum Arthropoda, including the insects, crustaceans, arachnids, and myriapods, that are characterized by a chitinous exoskeleton, a segmented body, and jointed appendages.
[From New Latin Arthropoda, phylum name : arthro- + New Latin -poda, -pod.]
ar·throp′o·dan (är-thrŏp′ə-dən), ar·throp′o·dal (-dəl) adj.
(Zoology) any invertebrate of the phylum Arthropoda, having jointed limbs, a segmented body, and an exoskeleton made of chitin. The group includes the crustaceans, insects, arachnids, and centipedes
[C19 from NL, from Gk arthron joint + podus footed, from pous foot]
arthropodous, arˈthropodal adj
1. any invertebrate of the phylum Arthropoda, having a segmented body, jointed limbs, and a mineralized chitinous shell covering and including insects, spiders and other arachnids, crustaceans, and myriapods.adj.
2. Also, ar•throp•o•dal (ɑrˈθrɒp ə dl) ar•throp•o•dan (ɑrˈθrɒp ə dn) belonging or pertaining to the Arthropoda.
Any of numerous invertebrate animals having a segmented body, segmented appendages, and an external skeleton. Crustaceans, insects, and arachnids are all arthropods. Arthropods are the largest phylum in the animal kingdom.
any invertebrate of the phylum that includes insects, arachnids, crustaceans, and myriapods with jointed legs. — arthropod, arthropodal, arthropodan, arthropodous, adj.See also: Feet and Legs
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|Noun||1.||arthropod - invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin|
Arthropoda, phylum Arthropoda - jointed-foot invertebrates: arachnids; crustaceans; insects; millipedes; centipedes
trilobite - an extinct arthropod that was abundant in Paleozoic times; had an exoskeleton divided into three parts
myriapod - general term for any terrestrial arthropod having an elongated body composed of many similar segments: e.g. centipedes and millipedes
garden centipede, garden symphilid, Scutigerella immaculata, symphilid - minute arthropod often infesting the underground parts of truck-garden and greenhouse crops
tardigrade - an arthropod of the division Tardigrada
centipede - chiefly nocturnal predacious arthropod having a flattened body of 15 to 173 segments each with a pair of legs, the foremost pair being modified as prehensors
millepede, milliped, millipede - any of numerous herbivorous nonpoisonous arthropods having a cylindrical body of 20 to 100 or more segments most with two pairs of legs
pycnogonid, sea spider - any of various small spiderlike marine arthropods having small thin bodies and long slender legs
class Merostomata, Merostomata - used in some classifications; includes the orders Xiphosura and Eurypterida
horseshoe crab, Limulus polyphemus, Xiphosurus polyphemus, king crab - large marine arthropod of the Atlantic coast of North America having a domed carapace that is shaped like a horseshoe and a stiff pointed tail; a living fossil related to the wood louse
Asian horseshoe crab - horseshoe crab of the coast of eastern Asia
eurypterid - large extinct scorpion-like arthropod considered related to horseshoe crabs
pentastomid, tongue worm - wormlike arthropod having two pairs of hooks at the sides of the mouth; parasitic in nasal sinuses of mammals
sclerite - hard plate or element of the exoskeleton of some arthropods
carapace, cuticle, shell, shield - hard outer covering or case of certain organisms such as arthropods and turtles
apodeme - ridge-like ingrowth of the exoskeleton of an arthropod that supports internal organs and provides attachment points for muscles
invertebrate - any animal lacking a backbone or notochord; the term is not used as a scientific classification
crustacean - any mainly aquatic arthropod usually having a segmented body and chitinous exoskeleton
onychophoran, peripatus, velvet worm - any of numerous velvety-skinned wormlike carnivorous animals common in tropical forests having characteristics of both arthropods and annelid worms
insect - small air-breathing arthropod
instar - an insect or other arthropod between molts
arthromere - any of the segments in the body of a jointed animal like an arthropod
thorax - the middle region of the body of an arthropod between the head and the abdomen