rusticle n. a stalactite-like underwater accretion formed by cascading rust on sunken iron ships. Editorial Note: Nearly all citations found are associated with the RMS Titanic. Etymological Note: rust + icicle (source: Double-Tongued Dictionary)
Further reading
Brian in San Antonio, Texas, wonders about the origin of the pinkingin the term pinking shears. Such shears cut an even, zigzag pattern that keeps cloth from fraying at the edges. Pinking likely comes from French piquer, meaning to...
One of the most powerful words you’ll ever hear — and one of the most poignant — isn’t in dictionaries yet. But it probably will be one day. The word is endling, and it means “the last surviving member of a species.” The...