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

"Headed cabbages"