‘结网’ literally means ‘to tie/bind (结) a net (网)’ and specifically refers to the action of spiders weaving their intricate silk webs. The character 结 here functions as a verb meaning ‘to form,’ ‘to make,’ or ‘to construct,’ while 网 means ‘net’ or ‘web.’ Together, they describe the natural, instinctive behavior of spiders creating structures for catching prey. This term is almost exclusively used in biological, ecological, or descriptive contexts involving arachnids — it is not used metaphorically for human-made networks or digital ‘networks’ (for which 组网 or 建立网络 are appropriate).

The phrase is intransitive and typically appears with subjects like 蜘蛛, 蛛, or occasionally other web-spinning arthropods. It carries no colloquial or figurative connotation in standard modern usage, and is rarely found in idioms or set phrases. Learners should avoid overextending it to non-biological contexts — unlike English ‘weave a web,’ Chinese 结网 does not commonly imply deception or scheming.