1. the branch of zoology that studies spiders and other arachnids
Usage: scientific field; often used in academic and research contexts

Examples

• She earned her PhD in arachnology and now studies spider behavior in the rainforest.
• Arachnology has revealed fascinating facts about how spiders build their webs.
• The museum's arachnology department houses one of the largest spider collections in the world.
• His passion for arachnology began when he found a tarantula in his backyard as a child.
• Modern arachnology uses genetic analysis to classify new spider species.
• The conference brought together leading experts in arachnology from around the globe.