DictionaryAI

spider

SPY-dur/ˈspaɪ̯dɚ/UKSPY-duh/ˈspaɪ̯də/

Pluralspiders

Verbspiders, spidering, spidered

20 meanings of spider

Practice

  1. 1
    eight legsnouncountable or uncountable
    Any of numerous predatory arthropods with eight legs that make up the order Araneae; many kinds spin webs to trap prey.

    A garden spider waited motionless at the center of its dew-covered web.

    Most spiders inject venom to subdue the insects tangled in their silk.

    Note

    The word largely pushed aside the older attercop, which survives only in dialect and could also mean an unpleasant person. Little Miss Muffet's famous visitor, in the Songs for the Nursery of 1805, is this creature.

    Checked 2 Nov 2026 · 4 facts

  2. 2
    web botnouncountable or uncountable
    A program that moves through the World Wide Web by following links, collecting information as it goes.

    Engineers tuned the spider to index only pages updated in the last week.

    A poorly written spider can overload a small website with rapid requests.

    Similarcrawler

    Note

    Search engines are built around it. In a crawler-based engine the spider is the part that visits a page, reads it and follows its links onward to other pages. Crawler is the interchangeable synonym, and the two are often given together. The program walks the threads of the World Wide Web as its namesake walks its silk. The same work as an action is spidering a site.

    Checked 31 Oct 2026 · 3 facts

  3. 3
    scan websitesverbtransitive
    To collect information by moving from link to link across the World Wide Web.

    They built a tool to spider thousands of news sites overnight.

    The bot spiders each page before storing its text for later searching.

    Similarcrawl

    Note

    The verb behind the web-crawling program, and usually transitive: a search engine spiders a site. The passive is common in talk about websites, as in "the online dictionary is regularly spidered by search engines." The subject, stated or not, is a program or whoever runs it. A person clicking from page to page browses; spidering is done by software.

    Checked 31 Oct 2026 · 2 facts

    • The quoted passive example is attested. en.wiktionary.org
    • People operating crawling software can also be the grammatical subject: the software developer's example uses “we spidered”. chilkatsoft.com

Practice

Can you tell the meanings of spider apart? Answer 3 quick questions from this page, or write your own sentence and AI will check it.

Origin

From Middle English spiþre and Old English spīþra ("spider"), going back through Proto-West Germanic to Proto-Germanic *spinnaną ("to spin"). It mostly replaced the older word attercop, now only used in some dialects.

Checked 1 Nov 2026 · 3 facts

  • Spider descends from Middle English spiþre and Old English spīþra, meaning spider. en.wiktionary.org
  • The etymological chain goes through Proto-West Germanic to Proto-Germanic *spinnaną, meaning to spin. en.wiktionary.org
  • Spider largely replaced the earlier word attercop. en.wiktionary.org