What is the upper part of a ship's stern, which is flat like a table on the top, and sometimes ornamented with carved work; the rail around a ship's stern. [Written also tafferel.] called?

taffrail — The upper part of a ship's stern, which is flat like a table on the top, and sometimes ornamented with carved work; the rail around a ship's stern. [Written also tafferel.]. (Webster's 1913.)