n. 25B6; noun
a mound of leaves : HEAP, pile, stack, mountain; mass, accumulation, assemblage.
high on the mound : HILLOCK, hill, knoll, rise, hummock, hump, embankment, bank, ridge, elevation, acclivity; Scottish brae; Geology drumlin.
a burial mound : BARROW, tumulus; motte.
25B6; verb mound up the rice on a serving plate : PILE (UP), heap (up).