Bargeboards -- also called vergeboards -- hang from the projecting end of a roof. Bargeboards are often elaborately carved and ornamented. Homes in the Carpenter Gothic style have highly ornamented bargeboards.
fly rafters, gable rafters, gableboards, barge rafters
"The greater number of bargeboards in this district are moulded." - Ralph Nevill, Old Cottage & Domestic Architecture in South-west Surrey (1889), p. 35