- a plot of land on which many different trees or shrubs are grown for study or display.
Origin of arboretum
1830–40; < Latin arborētum a plantation of trees, equivalent to arbor tree + -ētum suffix denoting place where a given plant grows (cf. alameda)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for arboretum
Including the arboretum, their total area did not then exceed 11 acres.
To-day we arrived at Derby, and hastened to see its Arboretum.Letters of a Traveller
William Cullen Bryant
But the arboretum wanted a good many of those trees and so did we.
The final purchase was made largely in order that the arboretum might be able to start off with the Bixby collection as a nucleus.
A large proportion of the total acreage of the Gardens is monopolized by the arboretum.
- a place where trees or shrubs are cultivated for their scientific or educational interest
C19: from Latin, from arbor tree
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
Word Origin and History for arboretum
"tree-garden," 1838, from Latin arboretum, literally "a place grown with trees," from arbor "tree," of unknown origin, + -etum, suffix used to form the names of gardens and woods.
Online Etymology Dictionary, © 2010 Douglas Harper