Pronunciation: [t͡ʃˈʌb] (IPA) 
The word "chub" is spelled with the letters c-h-u-b. In IPA phonetic transcription, it is transcribed as /tʃʌb/. The first sound, /tʃ/, represents the "ch" sound, which is a voiceless palatal stop. The vowel sound, /ʌ/, represents the "uh" sound, which is an open-mid back unrounded vowel. The final sound, /b/, represents the "b" sound, which is a voiced bilabial plosive. Together, these sounds make up the pronunciation of "chub."
Chub is a noun with multiple meanings depending on the context. Here are three common definitions of "chub":
1. A species of freshwater fish: Chub refers to a variety of freshwater fish that belong to the Cyprinidae family. These fish typically have a rounded body with a thick, robust shape and are found in rivers and streams across Europe and North America. They are known for their strong and powerful swimming abilities, often living in clear or gently flowing waters.
2. A slang term for a chubby or overweight person: In colloquial usage, "chub" is sometimes used as a slang term to refer to a person who is chubby or overweight. This term may be somewhat derogatory or offensive depending on the context in which it is used, so it is important to exercise caution when employing this term.
3. A colloquial term for an erection: In certain contexts, particularly in the realm of male sexual anatomy, "chub" can be used as a slang term for an erection. This usage is generally informal and typically associated with casual or humorous conversations.
It is important to note that slang terms like "chub" can vary greatly in their meanings and connotations depending on the cultural and social context in which they are used.
A plump river-fish.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The word "chub" has an interesting and multifaceted etymology. The term originated in English and can refer to different things, so we will explore its origins in relation to two common contexts:
1. Fish: In the context of fish, particularly European freshwater fish of the Cyprinidae family (such as the European chub or Leuciscus cephalus), the word derives from the Old English word "ceofa" or "ceafa". These Old English words referred to the fish's head or jaw, similar to the Old High German term "kiof".
2. Body Shape: In the context of describing a person's body shape, particularly their abdomen or belly, the term "chub" is a contemporary slang abbreviation of the word "chubby". "Chubby", in turn, emerges from the Middle English word "chubbe", which meant plump or rounded.
