1.Definition: having a head of a specified kind or anything that serves as a head; often used in combination
"Headed bolts", "Three-headed Cerberus", "A cool-headed fighter pilot"
2.Definition: having a heading or caption
"A headed column", "Headed notepaper"
3.Definition: having a heading or course in a certain direction
"Westward headed wagons"
4.Definition: of leafy vegetables; having formed into a head