The term 'Dinghy Thingie' is a slang term for a small boat, usually propelled by oars. The crossword solution for this term is 'OAR, ' which stands for 'Outboard Motor and Rowing.' Oars are used to propel the boat forward, and are typically made of wood or metal. They are held in place by oarlocks, which are attached to the sides of the boat. Oars are also used to steer the boat, as they can be moved in different directions.