martello tower

1. 1.

   a circular masonry fort for coastal defence

   Broaderfortress

Questions about martello tower

What does martello tower mean?

martello tower means "a circular masonry fort for coastal defence".

Is martello tower a common word?

martello tower is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.