jumping spider

noun
any of several small, hairy spiders, of the family Salticidae, that stalk and jump upon their prey instead of snaring it in a web.

Origin:
1805–15

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Collins
World English Dictionary
jumping spider
 
n
any spider of the family Salticidae, esp Attulus saltator, that catch their prey by hunting and can jump considerable distances

Collins English Dictionary - Complete & Unabridged 10th Edition
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Encyclopedia Britannica
Encyclopedia

jumping spider

any of about 3,000 species of spiders (order Araneida) known for their ability to jump and pounce upon their prey. They range in size from 3 to 17 mm (0.12 to 0.67 inch), although most are small to medium-sized. They are very common in the tropics, but many also live in northern and even Arctic regions. The hairy body is often brightly coloured or strikingly patterned. Jumping spiders have keen vision for spiders and are active during the day in sunny areas. At night they hide in closely woven nests under bark, stones, or leaves. Several members of the same species often build nests close together.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
Or so everyone thought, until scientists discovered a jumping spider that seems to be a vegetarian.
Watch as a jumping spider leaps through the air to catch its prey.
We found that a local jumping spider significantly reduced damage on basil plants.
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