[suh-lair-ee-uh m, soh-]

noun, plural so·lar·i·ums, so·lar·i·a [suh-lair-ee-uh, soh-] /səˈlɛər i ə, soʊ-/.

a glass-enclosed room, porch, or the like, exposed to the sun's rays, as at a seaside hotel or for convalescents in a hospital.


Nearby words

  1. solar year,
  2. solar-electric propulsion,
  3. solar-heat,
  4. solarimeter,
  5. solarism,
  6. solarize,
  7. solate,
  8. solation,
  9. solatium,
  10. sold

Origin of solarium

1815–25; < Latin sōlārium balcony, terrace, equivalent to sōl the sun + -ārium -ary Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for solarium

British Dictionary definitions for solarium


noun plural -lariums or -laria (-ˈlɛərɪə)

a room built largely of glass to afford exposure to the sun
a bed equipped with ultraviolet lights used for acquiring an artificial suntan
an establishment offering such facilities

Word Origin for solarium

C19: from Latin: a terrace, from sōl sun

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 solarium



1891, "part of a house arranged to receive the sun's rays," earlier "sundial" (1842), from Latin solarium "sundial," also "a flat housetop," literally "that which is exposed to the sun," from sol "sun" (see sol).

Online Etymology Dictionary, © 2010 Douglas Harper