Compatible with more than one web browser.(adjective)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "cross-browser" in a sentence
"His headline, “Why Flash Makes a Lousy Comic App”, sums up his perspective, but he also discusses cross-browser issues, push vs. pull (or user vs. company needs), and why sharing is so important to building a webcomic audience."
"If someone wants to interject with tips/tricks for cross-browser compatibility testing in Linux, I'd certainly be interested. sceo"
"This release includes those automatic logins and OpenID support, for sites that support it, and can sync your browser preferences across systems, giving it a leg up on cross-browser solutions like Xmarks."