poly·phy·odont I. \| ̷ ̷ ̷ ̷|fīəˌdänt\adjective Etymology: Greek polyphyēs manifold (from poly- + -phyēs, from phyein to bring forth, produce) + odont-, odous tooth — more at be, tooth : having several or many sets of teeth in succession < sharks and some teleost fishes are polyphyodont > — distinguished from diphyodont and monophyodont • poly·phy·odonty\-tē\noun-es II. noun (-s) : a polyphyodont animal