Also found in: Thesaurus, Encyclopedia, Wikipedia.


 (nā′tə-tôr′ē-əm, năt′ə-)
An indoor swimming pool.

[Late Latin natātōrium, place for swimming, from neuter of Latin natātōrius, of swimming, from natātus, act of swimming, from past participle of natāre, frequentative of nāre, to swim; see natatorial.]


n, pl -riums or -ria (-rɪə)
(Swimming, Water Sports & Surfing) rare a swimming pool, esp an indoor pool
[C20: from Late Latin: swimming place, pool]


(ˌneɪ təˈtɔr i əm, -ˈtoʊr-, ˌnæt ə-)

n., pl. -to•ri•ums, -to•ri•a (-ˈtɔr i ə, -ˈtoʊr-)
a swimming pool, esp. one that is indoors.
[1885–90; < Late Latin natātōrium swimming place, derivative of Latin natā(re) to swim]


a swimming pool, particularly an indoor facility.
See also: Athletics
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.natatorium - pool that provides a facility for swimmingnatatorium - pool that provides a facility for swimming; "`swimming bath' is a British term"
athletic facility - a facility for athletic events
lido - a recreational facility including a swimming pool for water sports
pool - an excavation that is (usually) filled with water


[ˌneɪtəˈtɔːrɪəm] N (natatoria (pl)) [ˌneɪtəˈtɔːrɪə] (US) → piscina f
References in classic literature ?
In its centre was a long tank of water, set below the level of the floor like the swimming pool of a natatorium.
of space including office and administrative spaces, the Coliseum concourse, natatorium building and annex, and the men's locker room facilities.
This contract is for the supply and delivery guarantee active power necessary for continuous feeding of 3 buildings (of Proyes natatorium, ice-covered hall, camping High Bluches) and a plant production of artificial snow and the balance responsibility with associated services.
The ground floor also would feature an "indoor natatorium with a lap pool and family pool," the documents say.
In their search for a new home, the bats have shown up in college dorms and the university natatorium - in sufficient numbers to briefly displace swimmers.
The River Center will serve as a community center with four, full-size basketball courts, a natatorium with a competition swimming pool and a leisure pool.
The entrance also serves as a connection to the Peterson Field House and Natatorium, the Alumni Hall varsity sports arena and gymnasium, and Slavin Hall student activities center.
Mott students will soon see more options for fitness classes after the Durham Natatorium is renovated this year.
The 11-week program meets at a NIFS, the IU Natatorium on the IUPUI campus, and Eagle Creek Park to complete a weekly workout of running, biking, swimming, or a combination of the disciplines each Tuesday from 6/17-8/26 at 5:30p.
The string of discoveries of coal reserves, largely free of impurities, has attracted world mining attention and exploration successes have conferred the title of "the natatorium of coal mines" because Mozambique is a virtual "swimming pool of coal deposits".
It is equipped with an indoor running track, a prosthetic fabrication lab and a natatorium as well as a firing range and military performance lab.
Don and the Greenwood Swim Club are leaving Gardner for WPI in Worcester, where he will train the swimmers in the college's new natatorium and work with the college's staff to help the school's swimming program continue to grow.