Lewis Short
pentămĕter (noun M) = πεντάμετρος: (containing five metrical feet)
* A pentameter: in pentametri medio,Quint. 9, 4, 98; so id. 9, 4, 109: heroicus,Diom. p. 506 P.: pentametrum elegum,id. p. 502 ib.
Charlton T. Lewis, Charles Short, A Latin Dictionary