Lewis Short
spădo (noun M) = σπάδων: .
* Lit., one who has no generative power, an impotent person (whether by nature or by castration; hence more gen. Than castratus),Dig. 50, 16, 128; 23, 3, 39; 28, 2, 6; 1, 7, 2; 40, 2, 14; opp. castratus,Just. Inst. 1, 11, 9. —Of horses, Veg. 6, 7, 2.
* In partic., a castrated person, a eunuch, Liv. 9, 17, 16; Quint. 11, 3, 19; Plin. 13, 4, 9, § 41; Hor. Epod. 9, 13; Juv. 14, 91 al.
* Transf., of unfruitful or seedless plants, Col. 3, 10, 15; Plin. 13, 4, 8, § 38; of a reed without down, id. 16, 36, 66, § 170.
Charlton T. Lewis, Charles Short, A Latin Dictionary