an Old English letter, ð or Ð, representing the dental fricatives T͟H and TH. It was superseded by the digraph th, but is now used as a phonetic symbol for the voiced dental fricative T͟H in the International Phonetic Alphabet (IPA) system
variant spelling of -th (as in fiftieth).
forming the third person singular of the present tense of verbs
forming ordinal and fractional numbers from four onwards