To move a boat using oars is to row a boat. The action of the oars in the water propels the boat. In ancient times, rowing vessels were used in naval warfare and trade.
row
Oars and oars
the first in bat has choice of oars
canoe
Try a boat yard.
row boats
to row.
Sails and oars
2 pairs or 4 oars
In the olden days SLAVES used oars to power the boats.
an oar is a 2 class lever