Roach has multiple meanings depending on the context:
## Fish Species
A roach is a silver-green European freshwater cyprinid fish (Rutilus rutilus)[1]. The term can also refer to:
- Various related fishes, such as some shiners
- Several American freshwater sunfishes of the family Centrarchidae
## Sailing Term
In sailing, a roach refers to:
- A curved cut in the edge of a sail to prevent chafing or secure a better fit[1]
## Hairstyle
A roach can describe a hairstyle:
- A roll of hair brushed straight back from the forehead or side of the head[1]
## Verb Usage
As a verb, to roach can mean:
1. To cut so that the remainder stands upright (e.g., roaching a horse's mane)
2. To cause to arch, specifically to brush hair in a roach style[1]
## Gaming
In the context of professional gaming:
- Roach is the gaming alias of Kim Kang-hee, a former South Korean professional League of Legends player[2]. He played as a top laner and later became a coach for professional teams.
It's worth noting that "roach" can have other colloquial meanings not mentioned in the provided search results, such as referring to a cockroach or a marijuana cigarette butt in some contexts.
Citations:
[1] https://www.merriam-webster.com/dictionary/roach
[2] https://ko.wikipedia.org/wiki/%EB%A1%9C%EC%B9%98_%28%ED%94%84%EB%A1%9C%EA%B2%8C%EC%9D%B4%EB%A8%B8%29
[3] https://en.wikipedia.org/wiki/Alchemy
[4] https://www.chemeurope.com/en/encyclopedia/Elixir_of_life.html
[5] https://ko.wikipedia.org/wiki/%EB%AC%BC%EC%95%BD
[6] https://en.wikipedia.org/wiki/Potion
[7] https://dictionary.cambridge.org/dictionary/english/potion
[8] https://en.wikipedia.org/wiki/Elixir_of_life