solarium
nounA room, gallery, or glassed-in porch exposed to the sun.
nounA sundial, fixed or portable. See dial, poke-dial, ring-dial, sun-dial.
nounA place arranged to receive the sun’s rays, usually a flat house-top, terrace; or open gallery, formerly used for pleasure only, but in modern times commonly as an adjunct of a hospital or sanatorium, in which case it is inclosed with glass; a room arranged with a view to giving patients sun-baths.
nounThe typical genus of Solariidæ, containing the staircase-shells, as the perspective shell, S. perspectivum.
nounAn apartment freely exposed to the sun; anciently, an apartment or inclosure on the roof of a house; in modern times, an apartment in a hospital, used as a resort for convalescents.
nounAny one of several species of handsome marine spiral shells of the genus Solarium and allied genera. The shell is conical, and usually has a large, deep umbilicus exposing the upper whorls. Called also
An
A room, with many
a room enclosed largely with glass and affording exposure to the sun
