oar 
/ˈoɚ/ noun
plural oars /ˈoɚ/ noun [count] : a long pole that is flat and wide at one end and that is used for rowing and steering a boat ◊Oars are usually used in pairs with one oar on each side of the boat.
▪ She gripped the oars and began rowing the boat to shore. — see picture at boat; compare paddle
▪ She gripped the oars and began rowing the boat to shore. — see picture at boat; compare paddle
get/put/stick your oar in
Brit, informal : to give people your opinion when they do not want it
