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WordReference Random House Learner's Dictionary of American English © 2024spi•der /ˈspaɪdɚ/USA pronunciation n. [countable]- Invertebratesa small creature with eight legs and a body divided into two parts, producing a silky web used as a nest and for trapping food:Spiders are not insects because they have eight legs.
- any device with leglike extensions that resemble a spider, such as a tripod or trivet.
spi•der•y, adj. WordReference Random House Unabridged Dictionary of American English © 2024spi•der (spī′dər),USA pronunciation n. - Invertebratesany of numerous predaceous arachnids of the order Araneae, most of which spin webs that serve as nests and as traps for prey.
- Invertebrates(loosely) any of various other arachnids resembling or suggesting these.
- any of various things resembling or suggesting a spider.
- a frying pan, originally one with legs or feet.
- a trivet or tripod, as for supporting a pot or pan on a hearth.
- [Mach.]
- Mechanical Engineeringa part having a number of radiating spokes or arms, usually not connected at their outer ends.
- Mechanical EngineeringAlso called cross. (in a universal joint) a crosslike part pivoted between the forked ends of two shafts to transmit motion between them.
- an evil person who entraps or lures others by wiles.
- Mechanical Engineeringa device attached to a cultivator, for pulverizing the soil.
- bef. 1150; Middle English spithre, Old English spīthra, akin to spinnan to spin; cognate with Danish spinder
spi′der•less, adj. spi′der•like′, adj. spider, + n. - Computinga computer program that automatically retrieves Web pages for use by search engines.
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