
1) Lobsters, spiders, etc 2) Phylum 3) Phylum arthropoda
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https://www.crosswordclues.com/clue/arthropoda

• (n. pl.) A large division of Articulata, embracing all those that have jointed legs. It includes Insects, Arachnida, Pychnogonida, and Crustacea.
Found on
http://thinkexist.com/dictionary/meaning/arthropoda/

A phylum of animals with segmented body, exoskeleton, and jointed legs.
Found on
http://www.earthlife.net/insects/glossary.html

(ahr-throp´ә-dә) a phylum of the animal kingdom that includes bilaterally symmetrical animals with hard, segmented bodies bearing jointed appendages; it embraces the largest number of known animals, with at least 740,000 species, divided into 12 classes. It includes the arachnids, crustaceans, and inse...
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http://www.encyclo.co.uk/local/21001

Ar·throp'o·da noun plural [ New Latin , from Greek 'a`rqron joint + -poda .] (Zoology) A large division of Articulata, embracing all those that have jointed legs. It includes Insects, Arachnida, Pychnogonida, and Crustacea. -- Ar*throp'o*dal
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http://www.encyclo.co.uk/webster/A/125

Type: Term Pronunciation: ar-throp′ŏ-dă Definitions: 1. A phylum of the Metazoa that includes the classes Crustacea (crabs, shrimp, crayfish, lobsters), Insecta, Arachnida (spiders, scorpions, mites, ticks), Chilopoda (centipedes), Diplopoda (millipedes), Merostomata (horseshoe crabs), and various other lesser known or extinct group...
Found on
http://www.medilexicon.com/medicaldictionary.php?t=7631

Arthropoda is one of the two primary divisions (Anarthropoda being the other) into which modern naturalists have divided the sub-kingdom Annulosa, having the body composed of a series of segments, some always being provided with articulated appendages. The division comprises Crustaceans, Spiders, Scorpions, Centipedes, and Insects.
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http://www.probertencyclopaedia.com/browse/BAA.HTM

[
n] - jointed-foot invertebrates: arachnids
Found on
http://www.webdictionary.co.uk/definition.php?query=Arthropoda

Arthropod - invertebrate animals that have a jointed exoskeleton.
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https://www.amentsoc.org/insects/glossary/begins/with/a/
phylum Arthropoda noun jointed-foot invertebrates: arachnids; crustaceans; insects; millipedes; centipedes
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https://www.encyclo.co.uk/local/20974

a phylum of the animal kingdom that includes bilaterally symmetrical animals with hard, segmented bodies bearing jointed appendages
Found on
https://www.encyclo.co.uk/local/22346

the phylum comprising the arthropods.
Found on
https://www.infoplease.com/dictionary/arthropoda
No exact match found.