The rib of an umbrella.
Ribbed my friend about losing the game.
A rib of an umbrella.
An example of a rib is any of the twelve pairs of curved bones that make up the chest cavity in a human.
An example of a rib is the raised ridge of fabric in the knit cuff of a sweater.
An example of rib is to make fun of and share stories about a person at their retirement party.