What is the meaning of rasher?

noun

• A commercially important fish of the Pacific coast of North America.
  • synonyms: vermillion rockfish, Sebastodes miniatus

adjective

• Imprudently incurring risk."do something rash that he will forever repent- George Meredith
  • synonyms: rash
• Marked by defiant disregard for danger or consequences.
  • usage: "foolhardy enough to try to seize the gun from the hijacker"; "became the fiercest and most reckless of partisans-Macaulay; "a reckless driver"; "a rash attempt to climb Mount Everest"
  • synonyms: foolhardy, heady, rash, reckless