- [Zoology] a cockroach; a roach; a black-beetle
- cockroach problem
- German cockroach (also named Blattella germanica, a cockroach of concern, the species that ...
- [Computing] cybersquatting (the act of registering a popular Internet address -- usually a ...
- cockroach clan (referring to people who are unperturbed by any negative publicity)
- pinying[zhang1 lang2]