arach·nol·o·gist
ˌa-ˌrak-ˈnä-lə-jist 
ˌer-ˌak-
: a person who specializes in the study of spiders and other arachnids
arach·nol·o·gy
ˌa-ˌrak-ˈnä-lə-jē
ˌer-ˌak-
ˌer-ˌak-
plural -es
: the branch of zoology that deals with spiders and other arachnids
arachnological
ˌa-ˌrak-nə-ˈlä-ji-kəl
adjective
ˌer-ˌak-
arachnological research
There is a glossary of arachnological terms, and the index, although short, is sufficient.
—
Fritz Vollrath, Times Literary Supplement (London), 18 Jan. 1985
Fritz Vollrath, Times Literary Supplement (London), 18 Jan. 1985
Examples of arachnologist in a Sentence
Recent Examples on the Web
Maria Mocerino,
Interesting Engineering,
2 Nov. 2025
The same arachnologists who named the Maguire spider — Marusik and Zamani — called another spider species discovered in Iran in 2015 Pritha garfieldi after actor Andrew Garfield.
—
Kelli Bender,
People.com,
1 Dec. 2024
Their strategy is so sophisticated that some arachnologists assert the spiders show signs of planning and problem solving.
—
Sam Walters,
Discover Magazine,
3 Jan. 2024
The arachnologist David Wise, for instance, surveyed folk tales from North America to Africa that cast spiders in a positive light, leading him to conclude that not all societies are arachnophobic.
—
Smithsonian Magazine,
26 July 2023
See All Example Sentences for arachnologist
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Noun
For decades, arachnologists debated the actual purpose of stabilimenta, a special thread spiders weave into their webs.
—
Maria Mocerino,
Interesting Engineering,
2 Nov. 2025
The same arachnologists who named the Maguire spider — Marusik and Zamani — called another spider species discovered in Iran in 2015 Pritha garfieldi after actor Andrew Garfield.
—
Kelli Bender,
People.com,
1 Dec. 2024
Their strategy is so sophisticated that some arachnologists assert the spiders show signs of planning and problem solving.
—
Sam Walters,
Discover Magazine,
3 Jan. 2024
The arachnologist David Wise, for instance, surveyed folk tales from North America to Africa that cast spiders in a positive light, leading him to conclude that not all societies are arachnophobic.
—
Smithsonian Magazine,
26 July 2023
See All Example Sentences for arachnologist
Cite this Entry
“Arachnologist.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/arachnologist. Accessed 6 Jul. 2026.
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