A long pole that is flat and wide at one end and narrow at the other end as a handle, all of which is used for rowing and steering a boat through the water of a lake, river, etc.: Each one in the group gripped an oar and started propelling the boat to the shore.

Oars are usually used in pairs with at least one oar on each side of a small water vessel and utilized by one or more rowers.

An abbreviation for the word "over": The dance will be o’er soon and it will be time to go home.

1. Used to indicate an alternative, a choice, and an option between two possibilities: The owner of the bed and breakfast hotel asked, "Would you like to have tea or coffee for breakfast?"
2. To suggest an approximation, an uncertainty, and other options: It will take five or six hours to drive from the city to the vacation site."

1. A mineral of rocks, earth, etc. that can be mined, typically containing a valuable substance; such as, gold, silver, etc.: The iron ore was excavated from the earth and then shipped to a smelter for processing.
2. A former coinage designation for Sweden, Denmark, and Norway: Lenora had an ore left from her Scandinavian vacation of several years ago which she saved to put in her collection of money from different t countries.