rupellecommon nounSyllable DecompositionrupelleEtymologyexpandthe genus ruppia was dedicated by linnaeus to heinrich bernhard rupp (latinized ruppius), a german botanist who died in 1718.Definition1. A species of plant from the family of naïadées that is favored by herbivorous fish, (Official Journal June 3, 1875, page 3957, 1st column)expandSynonymsruppia maritimaruppia spiralis