
Arctoidea is an infraorder of extinct and extant mostly carnivorous mammals which include the extinct group Hemicyonidae (dog-bears), and extant groups Musteloidea (weasels), Pinnipedia (seals, sea lions), and Ursidae (bears), found in all continents from the Eocene, {Mya|46-0} ago, to the present. ==Taxonomy== Arctoidea was named by Flower (1869)...
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http://en.wikipedia.org/wiki/Arctoidea

• (n. pl.) A group of the Carnivora, that includes the bears, weasels, etc.
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http://thinkexist.com/dictionary/meaning/arctoidea/
Arc·toid'e·a noun plural [ New Latin , from Greek ... bear +
-oid .]
(Zoology) A group of the Carnivora, that includes the bears, weasels, etc.
Found on
http://www.encyclo.co.uk/webster/A/117
No exact match found.