Snakehead

Noun

1. A family of perciform fish native to Africa and Asia, Channidae.
2. A Chinese smuggler, especially one who smuggles people.
3. A black person.
4. A showy perennial plant, Chelone glabra, found in North American marshlands; the turtlehead
5. A loose, bent-up end of one of the strap rails, or flat rails, formerly used on American railroads.