tilting I. noun (-s) Etymology: from gerund of tilt (I) : the action or sport of one who tilts : jousting < was killed at a tilting — Notes & Queries > II. adjective Etymology: from present participle of tilt (I) 1.: that tilts, causes to tilt, or may be tilted : rising and falling : slanting, swaying 2.: used for or in tilting < tilting field > < tilting lance > < tilting spear >