bugna betyder på engelska

clew [clews]▼(nautical: sail corner)
noun
[UK: kluː] [US: kluː]

boss [bosses]▼(architecture: knob or protrusion)
noun
[UK: bɒs] [US: ˈbɒs]

bossage▼(rough, unfinished stone block)
noun
[UK: bˈɒsɪdʒ] [US: bˈɔsɪdʒ]