noun

• (medicine) A fibrous growth.
  "In acute cases they are rapidly produced, make scarcely an attempt at development, and die off with rapidity; in schirrus they are formed more slowly, and in much smaller numbers, live longer, and make some attempt at caudation, but they are still farther removed in form from the typical cell of healthy tissues."
• (writing) A section appended to the end of a word, line, or poem.
  "To make it a bit easier to follow, each added letter is underlined, and insertions/hydrations/ caudations are parenthesized."
• (writing) The addition of a caudation.
  "There is no adequate reporting system in use that can afford to treat words otherwise than as Hamlet's mother treated her heart, "cleave them in twain and fling away the basser half;" but in script the "baser half" in variably the final portion, and we get in the sentences of the curt style a jumble of inchoate nouns, paraplegic verbs and amputated adjectives, truncated of their tails and dependent each for its re-caudation on the accurate re-cordation (ahem !) of an equally deficient context."