lapstrake I. adjective alsolapstreak\ˈ ̷ ̷ˌ ̷ ̷\ Etymology:lap (III) + strake or streak 1.: having overlapping strakes : clinker-built — usually used of a boat < lapstrake dinghy > 2.: characterized by the lapping of each strake on the outside of the one beneath it < lapstrake construction > II. noun alsolapstreak\“\ : a boat of lapstrake construction