μον-άμπυξ · mon-ampyx — LSJ
having one frontlet, μονάμπυκες πῶλοι horses that run single, race-horses, opp. chariots, E. Alc. 428; μονάμπυκες alone, Id. Supp. 586, 680; of a bull, having no yoke-fellow, μονάμπυκος (-ον codd.) ψήχων δέρην Id. Hel. 1567.