Word Study
water spider
CIDE DICTIONARY
water spider,
An aquatic European spider (Argyoneta aquatica ) which constructs its web beneath the surface of the water on water plants. It lives in a bell-shaped structure of silk, open beneath like a diving bell, and filled with air which the spider carries down in the form of small bubbles attached one at a time to the spinnerets and hind feet. Called also diving spider . [1913 Webster]
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