burglar bar

Any of a set of metal bars fitted over doors or windows to prevent breaking and entering.

Japanese Meaning

侵入防止のために扉や窓に取り付けられる金属の棒

I installed a new burglar bar over the kitchen window after the attempted break-in.

侵入未遂の後、台所の窓に新しい防犯用の金属格子を取り付けた。

Sense（1）

Any of a set of metal bars fitted over doors or windows to prevent breaking and entering.

burglar bars

（ plural ）