? Obs. A swelling in the sheath of the penis and adjacent parts, incident to horses. Also transf. priapism.
c. 1460. Play Sacram., 615. The Coltugll [? euyll] & ye brostyn men he wyll undertak.
1523. Fitzherb., Husb., § 101. Coltes euyl is an yll disease, and commeth of ranknes of nature and bloudde.
1607. Topsell, Serpents (1608), 662. Being frolike above measure [he] supposed it to be the operation of his medicine that caused this colt-evil.
1741. Compl. Fam.-Piece, III. 460. For the Colt Evil, take the Powder of Anniseeds, and the Leaves of Betony.
1753. Chambers, Cycl. Supp., Colt evil, a disease incident both to horses and geldings.
