Which word can mean a burial place or, as an adjective, serious and fraught with danger?

What type of bullet has a flight path that can be seen by the eye? A bullhead of the genus Ameiurus is a type of which fish? What is a large group of honeybees on the move called? Which word can mean a bundle of wheat or a bundle of paper? A badly burned man is the title figure of which Michael Ondaatje novel set in 1945? A bus boycott in which state in 1955 helped launch the civil rights movement? On highways, what does "HOV" stand for, as in a lane for buses and carpools? Which word for a wealthy, powerful businessperson comes from a Japanese title for the shogun?