• Hyperbolic cosine, a mathematical function with notation cosh(x)
• A blunt metal stick used as a weapon, also known as a blackjack
• Various sorts of blunt instrument (bludgeon, truncheon
  Truncheon
  Truncheon may refer to:*Baton *Cutting , means of plant propagation used by gardeners*HMS Truncheon , a British submarine commissioned during Word War II and later sold to Israel...
  
  , piece of lead pipe, piece of flexible tubing filled with metal, or the like)
• Slang for chlorpromazine
  Chlorpromazine
  Chlorpromazine is a typical antipsychotic...
  
  , an antipsychotic drug
• Harry and Cosh
  Harry and Cosh
  Harry and Cosh was a British children's television series directed by Daniel Peacock shown on Shake!.It starred Harry Capehorn, Coshti Dowden, Lucinda Rhodes-Flaherty and Gemma Baker. It told the story of two teenagers, their relationship problems and dysfunctional families. It ran for 46 episodes...
  
  , a British children's television series
• Cosh Boy
  Cosh Boy
  Cosh Boy is a 1953 British film starring James Kenney, Joan Collins, Hermione Baddeley, Hermione Gingold, Betty Ann Davies and Robert Ayres. It was directed by Lewis Gilbert, and produced by Daniel M...
  
  , a 1953 British film
• Chrome OS Shell

People

• Chris Cosh
  Chris Cosh
  Chris Cosh , is an American football coach and currently holds the position of defensive coordinator and assistant head coach at Kansas State University...
  
   (born 1959), American football coach
• Colby Cosh
  Colby Cosh
  Colby Cosh is a Canadian commentator, writer and editor of non-fiction, and blogger.-Life and career:Cosh was born in Edmonton, Alberta and grew up in Bon Accord, Alberta, north of Edmonton. He graduated from the University of Alberta in 1993, doing further study in European intellectual history...
  
   (born 1971), Canadian writer
• John Cosh
  John Cosh
  John Cosh was a British rheumatologist. He is known for his long term studies of the effects of rheumatoid arthritis, co-discovery of the genes associated with rheumatoid arthritis, and his work on the benefits of herbal medicines....
  
  (1915–2005), British rheumatologist