Very sharp cutter

Wiktionary Word definitions in Wiktionary
alt. A thin piece of steel with a sharp edge that can be fitted into a razor. n. A thin piece of steel with a sharp edge that can be fitted into a razor.

Wikipedia Word definitions in Wikipedia
The Aston Martin Razor Blade team car was built in 1923 to break the one-hour light car record of held by AC Cars . Although it failed to break the record, it did have success in race and record attempts in the 1920s. The August 1923 issue of The Light ...

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun EXAMPLES FROM CORPUS ▪ A razor blade or serrated knife will work well. ▪ A boy would have better opportunities - of doing that nasty trick with the razor blade , for example. ▪ After removing the tape, pare away any surplus adhesive with a razor blade ...