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"In architecture, a stone built into the base of a gable to support the skews or coping above, and resist their tendency to slide down from their bed. Also called summer-stone, skew-put, and skew." —Whitney, 1889

Skew Corbels

"In architecture, a stone built into the base of a gable to support the skews or coping above, and resist…

The lines of contact are equal, but the axes are neither parallel to each other, or the line of contact.

Lateral Sliding Contact

The lines of contact are equal, but the axes are neither parallel to each other, or the line of contact.