| E04: | |
| English : | guntower |
| Croatian : | okrugla kazamatirana utvrda |
| Czech : | dělostřelecká věž / věžový fort |
| Dutch : | torenfort |
| French : | tour à canon (une), tour-réduit circulaire (une) |
| German : | Turmfort (n) |
| Italian : | Torre casamattata |
| Lithuanian : | gynybinis bokštas |
| Polish : | wieża maksymiliańska |
| Portuguese : | reduto circular, torre de artilharia |
| Spanish : | |
| Swedish : | Kanontorn, Rund redutt |
