from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An armed retainer or mercenary in the service of an Irish chieftain.
from The Century Dictionary and Cyclopedia
- n. See gallowglass.
Irish Gaelic galloglach : gall, foreigner + oglach, soldier (from óg, from Old Irish óac; see yeu- in Indo-European roots).(American Heritage® Dictionary of the English Language, Fourth Edition)