To walk with a firm, heavy step; trudge. To travel on foot; hike. To wander about aimlessly. To traverse on foot: tramp the fields. To tread down; trample: tramp down snow. A heavy footfall. The sound produced by heavy walking or marching. A walking trip; a hike. One who travels aimlessly about on foot, doing odd jobs or begging for a living; a vagrant. A prostitute. A person regarded as promiscuous. Nautical A tramp steamer. A metal plate attached to the sole of a shoe for protection, as when spading ground.