Swordlength

All danger of that, however—which (though of course I should have done it unhesitatingly,) would have been not a little disagreeable in a country where respectability is measured by swordlengths just as silk is by yardlengths—is entirely over.

Source: wiktionary

I believe they did introduce a rule there some time ago that members were not to bring swords or other arms into the Chamber. In fact, is the distance between the two front benches not so calculated that it is more than two swordlengths apart?

Source: wiktionary

Below him is the long desk occupied by the Parliamentary clerks and, beyond, the Hansard desks spaced along the Parliamentary centre aisle — which is, as tradition demands, just over two swordlengths across, to keep hot-tempered Members from having it out.

Source: wiktionary

A swordlength away, he halted.

Source: wiktionary