arthropod
n.
member of a family of animals with jointed legs and hard segmented bodies (includes crustaceans, spiders and insects)
Arthropod
Arthropods (
Phylum Arthropoda, from
Greek , "
joint", and , "
foot") are the largest
phylum of
animals and include the
insects,
arachnids,
crustaceans, and others. Arthropods are characterised by the possession of a
segmented body with
appendages on each segment. They have a
dorsal heart and a
ventral nervous system. All arthropods are covered by a hard
exoskeleton made of
chitin, a
polysaccharide, which provides physical protection and resistance to
desiccation. Periodically, an arthropod sheds this covering when it
moults.
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arthropod
Noun
1. invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin
(hypernym) invertebrate
(hyponym) trilobite
(member-holonym) Arthropoda, phylum Arthropoda
(part-meronym) sclerite
Arthropod
(n.)
One of the Arthropoda.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter.
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arthropod
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