sheepsfoot roller[′shēps‚fu̇t ‚rōl·ər]
A cylindrical steel drum to which knob-headed spikes are fastened; used for compacting earth. Also known as tamping roller.
sheepsfoot roller, tamping roller
A self-propelled or towed drum-like roller with projecting studs that penetrate the surface of the ground; used to obtain deep compaction of fill material; esp. effective for compaction of clay soils. (See illustration p. 880.)