<p><strong>Noun</strong></p><ul><li>any of numerous predaceous arachnids of the order Araneae, most of which spin webs that serve as nests and as traps for prey.</li><li>(loosely) any of various other arachnids resembling or suggesting these.</li><li>any of various things resembling or suggesting a spider.</li><li>a frying pan, originally one with legs or feet.</li><li>a trivet or tripod, as for supporting a pot or pan on a hearth.</li><li>Machinery. a part having a number of radiating spokes or arms, usually not connected at their outer ends.</li><li>Also called cross. (in a universal joint) a crosslike part pivoted between the forked ends of two shafts to transmit motion between them.</li><li>Digital Technology. a computer program that follows and catalogs links within websites in order to index web pages for a search engine. Compare web crawler.</li><li>an evil person who entraps or lures others by wiles.</li><li>a device attached to a cultivator, for pulverizing the soil.</li></ul><p><strong>Verb (used with object)</strong></p><ul><li>Digital Technology. to digitally survey (websites), following and cataloging their links in order to index web pages for a search engine: Compare crawl 1 (def 9). Her company spiders the web for cheap flights and vacation deals.</li></ul>