can opener

In real, traceable use. Part of the curated seed collection; community review is coming.

Sense 1

Meaning · English

A tool for safe-cracking.

Register: slang

Where it’s used: Used American English

Examples

Even the work of opening a safe with nitroglycerine or with a can opener places the criminal in a state of nervous tension.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Sense 2

Meaning · English

A ramming maneuver, that opens up the target ship like a tin can.

Register: slang

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “can opener” mean?

A tool for safe-cracking.

Is “can opener” formal or informal?

can opener is generally slang.