rim

the shape of a raised edge of a more or less circular object

(basketball) the hoop from which the net is suspended; "the ball hit the rim and bounced off"

the outer part of a wheel to which the tire is attached

a projection used for strength or for attaching to another object

the top edge of a vessel or other container

run around the rim of; "Sugar rimmed the dessert plate"

furnish with a rim; "rim a hat"

roll around the rim of; "the ball rimmed the basket"