LSJ
ὁ, Dim. of Πρίαπος, dilator or suppository for the anus, Heliod. ap. Orib. 44.23.72, 44.14.7.
perineal peg, in the Hippocratic bench, Ruf. (or Heliod.) ap. Orib. 49.26.6.
plug for the nose, Heraclid.Tar. ap. Gal. 12.692. = σατύριον, Ps.-Dsc. 3.126, 128 (called priapisce, Gloss.).
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)