Lewis & Short

Marcĭpor, ōris, m., i. e. Marci puer,

  1. I. the slave of Marcus.
    Plur.,     Plin. 33, 1, 6, § 26; cf. Paul. ex Fest. s. v. quintipor, p. 257, 19 Müll.
  2. II. The title of a satire of Varro.