epithesis

/EH0 P IH0 TH EH1 S IH0 S/
noun
  1. 1

    (medicine) The surgical correction of deformity or of crooked limbs.

  2. 2

    (medicine) A splint or other appliance to be worn.

  3. 3

    (linguistics) The addition of a letter or sound at the end of a word, without changing its meaning.