Lewis & Short

pendīgo, inis, f. [pendeo], lit. an internal tumor, abscess (post-class.).

  1. I. Lit., Veg. Vet. 2, 44: pendiginem circumcides ad vivum, id. ib. 2, 55.
  2. II. Transf., a hollow space inside of a statue: simulacri pendigines, Arn. 6, 201.