|1.||a long shaft of wood for propelling a boat by rowing, having a broad blade that is dipped into and pulled against the water. Oars were also used for steering certain kinds of ancient sailing boats|
|2.||short for oarsman|
|3.||put one's oar in to interfere or interrupt|
|4.||to row or propel with or as if with oars: the two men were oaring their way across the lake|
|[Old English ār, of Germanic origin; related to Old Norse ār]|
[National Oceanic and Atmospheric Administration Office of] Oceanic and Atmospheric Research
see put one's oar in.