MONOTREME /ˈmɒnətɹiːm/ Scrabble 13 Words With Friends 16 Scrabble letter values: M3O1N1O1T1R1E1M3E1 = 13 Definition noun the most primitive mammals comprising the only extant members of the subclass Prototheria. — synonyms: egg-laying_mammal Anagrams of MONOTREME metronomemonometer See all 129 words you can make from MONOTREME → 9-letter words Words starting with M Words ending with E ← Unscramble different letters