dial. Also (Sc.) tammock, tummack. [app. f. Gaelic tom hillock + -OCK; cf. TUMP sb.] A hillock, mound, knoll.

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1789.  D. Davidson, Seasons, 5. Twa ’herds … straught down on tammocks clap Their nether ends, and talk their unco’s o’er.

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1855.  Kingsley, Westw. Ho! xiv. Your ghost may sit there on a grass tummock, and tell your beads.

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1901.  A. Trotter, E. Galloway Sk., 32/1. Wandering among its hills and ‘tummacks,’ its singing spouts and burns.

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