Elbow is a commonly used word in our daily lives to refer to the joint that connects the upper and lower arms. However, there are several synonyms that can be used in lieu of the word elbow such as crook, joint, bend, turn, kink, hinge, pivot, or angle. These words are perfect for describing the bend or angles in our arms, whether it's used in medical or general conversations. Additionally, context plays a role in determining which synonym to use. For example, crook may be more appropriate when describing a fishing hook, while bend may be more apt when bent arm muscles are the point of discussion.