tronera znamená v Angličtina

embrasure [embrasures]▼(Any of the indentations between the merlons of a battlement)
noun
[UK: ɪm.ˈbreɪ.ʒə(r)] [US: ɪm.ˈbreɪ.ʒər]

loophole [loopholes]▼(slit in a castle wall)
noun
[UK: ˈluːp.həʊl] [US: ˈluːphoʊl]

pocket [pockets]▼(billiards: net into which balls are struck)
noun
[UK: ˈpɒkɪt] [US: ˈpɑːkət]

porthole [portholes]▼(circular window)
noun
[UK: ˈpɔːt.həʊl] [US: ˈpɔːrthoʊl]

flake [flakes]▼(an unreliable person)
noun
[UK: fleɪk] [US: ˈfleɪk]