Prewarn

Pre·warn' transitive verb & i. [ imperfect & past participle Prewarned ; present participle & verbal noun Prewarning .] To warn beforehand; to forewarn. [ R.]
Found on http://www.encyclo.co.uk/webster/P/159

Prewarn

• (v. t. & i.) To warn beforehand; to forewarn.
Found on http://thinkexist.com/dictionary/meaning/prewarn/
No exact match found