- For other uses, see Orr.
An oar is a simple technological construct used to create a propulsion effect in water using a principle of leverage between water and an aquatic vessel the oar is attached to. (TOS - Legacies novel: Captain to Captain)
An oar is a simple technological construct used to create a propulsion effect in water using a principle of leverage between water and an aquatic vessel the oar is attached to. (TOS - Legacies novel: Captain to Captain)