ORDER SIRENIA(noun)Did you mean?Synonyms RhymesAlso try..ordersorderedorderingDefinitions There is 1 meaning of the phrase Order Sirenia. Order Sirenia - as a noun An animal order including: manatees; dugongs; steller's sea cow Synonyms (Exact Relations)sireniaWord Variations & RelationsAnagramsStarts OStarts ORStarts ORDStarts ORDEEnds AEnds IAEnds NIAEnds ENIAStarts O & ends AStarts OR & ends AStarts O & ends IAA-Z Proximitiesordalium11ordaliums12ordeal7ordeals8order6 Order Sirenia order-chenopodialesorderable12ordered9orderer8orderers9