[ahr-buh-ree-tuh m]

noun, plural ar·bo·re·tums, ar·bo·re·ta [ahr-buh-ree-tuh] /ˌɑr bəˈri tə/.

a plot of land on which many different trees or shrubs are grown for study or display.

Nearby words

  1. arboreally,
  2. arbored,
  3. arboreous,
  4. arbores,
  5. arborescent,
  6. arboriculture,
  7. arborio,
  8. arborio rice,
  9. arborist,
  10. arborite

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) Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for arboretum

British Dictionary definitions for arboretum


noun plural -ta (-tə) or -tums

a place where trees or shrubs are cultivated for their scientific or educational interest

Word Origin for arboretum

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