battailant adjective 1noun 1forms 1 adjective1 •(no longer used) Prepared for battle; combatant; warlike.An Elephant[…]That on his backe did beare (as batteilant) A gilden towre. — 1591 noun1 •(no longer used) A combatant.he presently thought that he was dead, and that those battaillants that fought so eagerly in the Room, had slain him — 1612 formsbattailants