Barnacle (slang) in the field in order to correct a design or manufacturing defect. The term appears to have originated from the crustacean barnacle which is an animal that attaches itself to rocks, docks, ships, whales, and other objects where it grows. A barnacle in electronics is something added to the manufactured product. Typically a barnacle on a circuit board is very noticeable, much like the mollusc variety on a rock in the sea. While the term was originally used with electronic hardware, it has also migrated into the software industry where is it is used to describe software that is added
Nora Barnacle to Barnacle sold at Sotheby's for £240,800, a record amount for a modern-day letter at auction. Nora Barnacle Nora Barnacle (21 March 1884 – 10 April 1951) was the muse and wife of Irish author James Joyce. Barnacle and Joyce had their first romantic assignment on a date celebrated worldwide as the ‘Bloomsday’ of his modernist novel "Ulysses", a book that she did not, however, enjoy. Their sexually explicit letters have aroused much curiosity, especially as Joyce normally disapproved of coarse language, and they fetch high prices at auction. Barnacle was played by Susan Lynch in the 1999 bio-pic "Nora".