arthropod
English Thesaurus
1. invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin (noun.animal)
| hypernym | : | invertebrate, |
| definition | : | any animal lacking a backbone or notochord; the term is not used as a scientific classification (noun.animal) |
| hyponym | : | trilobite, |
| definition | : | an extinct arthropod that was abundant in Paleozoic times; had an exoskeleton divided into three parts (noun.animal) |
| hyponym | : | arachnid, arachnoid, |
| definition | : | air-breathing arthropods characterized by simple eyes and four pairs of legs (noun.animal) |
| hyponym | : | myriapod, |
| definition | : | general term for any terrestrial arthropod having an elongated body composed of many similar segments: e.g. centipedes and millipedes (noun.animal) |
| hyponym | : | tardigrade, |
| definition | : | an arthropod of the division Tardigrada (noun.animal) |
| hyponym | : | centipede, |
| definition | : | 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 (noun.animal) |
| hyponym | : | millepede, milliped, millipede, |
| definition | : | any of numerous herbivorous nonpoisonous arthropods having a cylindrical body of 20 to 100 or more segments most with two pairs of legs (noun.animal) |
| hyponym | : | pycnogonid, sea spider, |
| definition | : | any of various small spiderlike marine arthropods having small thin bodies and long slender legs (noun.animal) |
| hyponym | : | class merostomata, merostomata, |
| definition | : | used in some classifications; includes the orders Xiphosura and Eurypterida (noun.animal) |
| hyponym | : | eurypterid, |
| definition | : | large extinct scorpion-like arthropod considered related to horseshoe crabs (noun.animal) |
| hyponym | : | pentastomid, tongue worm, |
| definition | : | wormlike arthropod having two pairs of hooks at the sides of the mouth; parasitic in nasal sinuses of mammals (noun.animal) |
| hyponym | : | crustacean, |
| definition | : | any mainly aquatic arthropod usually having a segmented body and chitinous exoskeleton (noun.animal) |
| hyponym | : | onychophoran, peripatus, velvet worm, |
| definition | : | any of numerous velvety-skinned wormlike carnivorous animals common in tropical forests having characteristics of both arthropods and annelid worms (noun.animal) |
| hyponym | : | insect, |
| definition | : | small air-breathing arthropod (noun.animal) |
| hyponym | : | instar, |
| definition | : | an insect or other arthropod between molts (noun.animal) |
| part holonym | : | sclerite, |
| definition | : | hard plate or element of the exoskeleton of some arthropods (noun.animal) |
| part holonym | : | carapace, cuticle, shell, shield, |
| definition | : | hard outer covering or case of certain organisms such as arthropods and turtles (noun.animal) |
| part holonym | : | apodeme, |
| definition | : | ridge-like ingrowth of the exoskeleton of an arthropod that supports internal organs and provides attachment points for muscles (noun.animal) |
| part holonym | : | arthromere, |
| definition | : | any of the segments in the body of a jointed animal like an arthropod (noun.body) |
| part holonym | : | thorax, |
| definition | : | the middle region of the body of an arthropod between the head and the abdomen (noun.body) |
| member meronym | : | arthropoda, phylum arthropoda, |
| definition | : | jointed-foot invertebrates: arachnids; crustaceans; insects; millipedes; centipedes (noun.animal) |
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