Pronunciation: [kəkˈuːn] (IPA) 
The word "cocoon" is spelled with two Cs, double O, and a final N. In IPA phonetic transcription, it is represented as /kəˈkuːn/. The first syllable is pronounced with a schwa sound, followed by a hard K and a long U sound. The second syllable has the same long U sound, followed by a short nasal N. The word refers to a silk or fibrous case spun by a caterpillar or other insect for protection and metamorphosis.
A cocoon is a protective casing or covering that is spun or formed by certain insects, typically moths, butterflies, or other arthropods, during the larval stage of their life cycle. The cocoon serves as a vital shelter and defense mechanism for the pupa, providing a safe environment and shielding it from potential predators and environmental conditions.
Cocoons are commonly constructed using silk threads secreted by the larvae. These threads are meticulously woven together to form a compact and durable structure. The cocoon's shape and size can vary depending on the species and individual, ranging from elongated or oval to irregular or spherical.
Once the larva has matured, it undergoes a remarkable metamorphosis inside the cocoon, transforming into an adult insect. This enchanting process, known as pupation, involves the complete restructuring of the larva's body to develop wings, legs, and other adult features.
Humans have marveled at the beauty and intricacy of cocoons for centuries, often collecting them for scientific study, textile production, or decorative purposes. Additionally, cocoons play a significant role in various cultural motifs and symbolize the transformative journey from immaturity to maturity.
The term "cocoon" is also metaphorically used to describe a protected or enclosed space in which an individual seeks solace or insulation from external disturbances. In this context, it implies a state of isolation or retreat, providing a sense of peace, security, or personal growth away from surrounding pressures.
The round silky case in which the silk-worm and many other larvae envelop themselves.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
* The statistics data for these misspellings percentages are collected from over 15,411,110 spell check sessions on www.spellchecker.net from Jan 2010 - Jun 2012.
The word "cocoon" is derived from the French word "cocon", which in turn can be traced back to the Old Occitan word "coco" or "cuco". These terms originally referred to a casing or shell, and were used to describe a variety of objects, including the protective covering that envelopes certain insects during their pupal stage. The word was later adopted into English in the early 18th century to specifically refer to the protective covering of silkworms. Over time, "cocoon" became a more general term for any protective enclosure created by certain insects as part of their life cycle.
