'Haiduck' definitions:
- Haiduck \Hai"duck\ (h[imac]"d[.u]k), n. [G. haiduck, heiduck,
fr. Hung. hajdu.]
Formerly, a mercenary foot soldier in Hungary, now, a
halberdier of a Hungarian noble, or an attendant in German or
Hungarian courts. [Written also hayduck, haiduk,
heiduc, heyduck, and heyduk.]
[1913 Webster]