a long shaft with a broad blade at one end, used as a lever for rowing or otherwise propelling or steering a boat.
something resembling this or having a similar purpose.
a person who rows; oarsman.
verb (used with object)
to propel with or as if with oars; row.
to traverse or make (one's way) by, or as if by, rowing.
verb (used without object)
to move or advance as if by rowing.
put in one's oar, to meddle; interfere: He put in his oar and was told to mind his own business.
rest on one's oars, to cease to make an effort; relax after exertion; stop working after success or completing a task: Once he became president, he was content to rest on his oars.
Origin of oar
before 900; Middle English ore, Old English ār; cognate with Old Norse ār
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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
short for oarsman
put one's oar in to interfere or interrupt
to row or propel with or as if with oarsthe two men were oaring their way across the lake
Word Origin for oar
Old English ār, of Germanic origin; related to Old Norse ār
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Old English ar "oar," from Proto-Germanic *airo (cf. Old Norse ar, Danish aare, Swedish åra), of unknown origin; perhaps related to Latin remus "oar," Greek eretes "rower," eretmos "oar."
Online Etymology Dictionary, © 2010 Douglas Harper
see put one's oar in.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.