tumblehome

Naut .: The part of a ship which falls inward above the extreme breadth. *tum-ble-fi-ca-tion, s. [English tumble ; suff. -fication.] The act of tumbling, to ing, or rolling about. "A heavy rolling bout, through which we are carried at the rate of nearly three hundred miles in twenty-four hours, ceases to be the sickening tumblefication which the most seasoned amongst us would find it in a full-rigged ship, with her courses hauled up."-London Daily Telegraph.