the typically ovoid fruit or nut of an oak, enclosed at the base by a cupule.
a finial or knop, as on a piece of furniture, in the form of an acorn.
- acorned, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use acorn in a sentence
The caches must be maintained over time to keep dried-out acorns screwed firmly in their holes and rivals like squirrels away.Polygamy is just one reason why acorn woodpeckers are master survivalists | Purbita Saha | August 21, 2021 | Popular-Science
Almost all of us hide some food, like squirrels that bury acorns in fall to have food in winter.
What Spanish farmers need from their oak-dotted fields where pigs get fat on acorns will be different from what farmers in Ecuador want from their coffee plants growing under the cool shade of tropical inga trees.Mixing trees and crops can help both farmers and the climate | Jonathan Lambert | July 14, 2021 | Science News
Bears also cut their sleeping time when more natural food, was available in late fall, such as acorns or berries.Changing people’s behavior can make bear life better | Bethany Brookshire | April 8, 2021 | Science News For Students
Whitetails are browsers and will feed on herbaceous plants, acorns, berries, and other shrubs.
Perhaps nowhere has an acorn spin-off been as successful as one has in New York City.
Action Now recently helped elect Toni Foulkes, a former Chicago acorn leader, to the Chicago City Council.
acorn was able to do a lot of things for low-income people, but they were stopped.
But my favorite story linked—inevitably—the navigator program to acorn.What’s Really Obstructing Obamacare? GOP Resisters | Michael Tomasky | November 2, 2013 | THE DAILY BEAST
These were the adopted symbols of the Vanderbilts, as “from an acorn a mighty oak shall grow.”
Every few days after that the boy took Squinty out of his pen, and let him do the rope-jumping and the acorn-hunting tricks.Squinty the Comical Pig | Richard Barnum
The two animal friends soon came to where some of the acorn nuts had fallen off a tree, and they ate as many as they wanted.Squinty the Comical Pig | Richard Barnum
It was then more than this only in the same sense as the egg, new-laid, is the full-grown fowl, or the acorn the oak.The Loyalists of America and Their Times, Vol. 1 of 2 | Egerton Ryerson
When I went into this kitchen, there was a cake baking, with an ornament on the top that looked quite like an acorn.The Library of Work and Play: Housekeeping | Elizabeth Hale Gilman
All powers lie hidden within us as the oak tree lies hidden in the acorn.Evolution of Life and Form | Annie Wood Besant
British Dictionary definitions for acorn
the fruit of an oak tree, consisting of a smooth thick-walled nut in a woody scaly cuplike base
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