noun, plural o·cea·nar·i·ums, o·cea·nar·i·a [oh-shuh-nair-ee-uh] /ˌoʊ ʃəˈnɛər i ə/.
a large saltwater aquarium for the display and observation of fish and other marine life.
- ocean perch,
- ocean pout,
- ocean springs,
- ocean sunfish,
Origin of oceanarium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
noun plural -iums or -ia (-ɪə)
a large saltwater aquarium for marine life
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