knoll Definition

hummock, hillock, hammock, mound, hill, hillside, ridge, meadow, hilltop, grove, mountainside, canyon, slope, creek, mountain, ponderosa, fieldstone, butte, rimrock, hogback, promontory, glen, palisade, cliffs, motte, cragged, snowfield, arbor vitae, cypress tree, couloir, creek bed, copse, juniper bush, mesa, ledge, cow pasture, gulch, timberline, harney peak, tumulus, glade, suribachi, treeline, dells, allee, corrie, cirques, expanse, mountaintop, ridgeline, cairn, canebrake, sidehill, koppie, escarpment, sand dune, rock outcrop, hillfort, archway, outcropping, tableland, deodar cedar, cedars, log cabin, culdesac, oxbow, stile, bluffs, chainlink fence, fingerpost, massif, boulder, precipices, slit trench, esker, crenellations, headland, flagstaff, battlement, streambed, brae, hemlock tree, linden tree, tidal basin, hayfield, camphor tree, ravine, footstone, beside, natural elevation, valley, mossy, slickrock, doorway, bramble, mount ranier, coulee, rockface, weeping willow, gatepost,