A device used to cancel something, especially one that makes a cancellation on a postage stamp.
More example sentences
- Eventually, all network echo cancelers were updated or replaced with ones that could be disabled.
- The top configuration tests how the canceler responds to signals that arrive through different delay paths.
- Because they were distributed only to major cities, we would not expect to find strikes of the commercial rubber cancelers on Executive, State, Justice, or Navy stamps.