1. Fish Species: Bullhead refers to several species of North American freshwater catfish. These fish have large heads and wide mouths and are known for their hardiness and ability to survive in various water conditions.
2. Stubborn or Obstinate Person: In informal language, "bullhead" can be used figuratively to describe someone who is stubborn, obstinate, or unwilling to compromise. Such individuals may persist in their views or actions even when faced with contrary evidence or advice.
3. Small-headed Person: In certain dialects, "bullhead" can be a derogatory term used to describe someone with a disproportionately small head. It is considered offensive and should not be used.
4. Bullhead Shark: "Bullhead shark" is the common name for the species Heterodontus Francisci, a type of small carpet shark found in coastal waters of Australia and New Guinea.
5. Bullheaded Behavior: Related to the figurative sense, "bullheaded behavior" refers to actions characterized by stubbornness, unyieldingness, or a refusal to change one's mind or course of action.