Lewis Short
plānĭpes (noun M) : planus-pes, flatfoot, barefoot
* A kind of pantomime or ballet-dancer, who performed without the comic soccus or the tragic cothurnus: exsultat planipes, Atta ap. Diom. p. 487 P.: planipedes audit Fabios,Juv. 8, 191: planipes saltans,Gell. 1, 11, 12.
Charlton T. Lewis, Charles Short, A Latin Dictionary