Tower - Vine's Expository Dictionary of New Testament Words
Tower
[ 1,,G4444, purgos ]is used of a watchtower in a vineyard," Matthew 21:33; Mark 12:1; probably, too, in Luke 14:28 (cp. Isaiah 5:2); in Luke 13:4, of the "tower in Siloam," the modern Silwan, which is built on a steep escarpment of rock.