| CALVARIUMS | • calvariums n. Plural of calvarium. • CALVARIUM n. (Latin) the dome of the skull. |
| CINERARIUM | • cinerarium n. A place or receptacle for depositing the ashes of cremated people. • CINERARIUM n. (Latin) a place to receive the ashes of the cremated dead. |
| HERBARIUMS | • herbariums n. Plural of herbarium. • HERBARIUM n. a collection of preserved plants and herbs. |
| HONORARIUM | • honorarium n. Compensation for services that do not have a predetermined value. • HONORARIUM n. a voluntary fee paid esp. to a professional person for their services. |
| OCEANARIUM | • oceanarium n. A park where visitors can see marine mammals and/or fish. • OCEANARIUM n. an enclosed part of the sea in which dolphins, porpoises etc. are kept for display. |
| OCTONARIUS | • octonarius n. A verse having eight metrical feet. • OCTONARIUS n. in prosody, a line having eight feet, also OCTONARIAN. |
| POLYPARIUM | • polyparium n. (Biology) The stem, or supporting structure, of any colonial cnidarian such as coral. • POLYPARIUM n. the framework and base of a polyp colony, esp. coral, also POLYPARY. |
| SACRARIUMS | • SACRARIUM n. (Latin) the sanctuary or sacristy (room housing sacred vessels) of a church. |
| SANITARIUM | • sanitarium n. (US) Alternative form of sanatorium. • SANITARIUM n. (Latin) a health station or retreat, also SANATORIUM, SANITORIUM. |
| SEAQUARIUM | • seaquarium n. An oceanarium. • SEAQUARIUM n. an oceanarium. |
| SPERMARIUM | • SPERMARIUM n. the male germ gland, also SPERMARY. |
| TEPIDARIUM | • tepidarium n. (Historical) A warm room in a Roman baths that was usually heated by a hypocaust. • tepidarium n. (Historical) A boiler in which the water was heated. • tepidarium n. Any room containing a warm bath. |
| TERRARIUMS | • terrariums n. Plural of terrarium. • TERRARIUM n. (Latin) a glass enclosure for plants. |