_i.e._ _Tre-deg-fair-ar_ (land), (the choice abode); Tre-Wyddel (the forester’s abode); Trefhedyn, _i.e._ _Tref-y-din_ (hill town). [Sidenote: TROM, TRIUM (Gadhelic),] the elder-tree; _e.g._ Trim, in Co. Meath, corrupt. from _Ath-trium_ (the ford of the elder-trees); Trummery and Trimmer (places abounding in elder-trees); Tromann, Trumman (the little elder-tree). [Sidenote: TUAIM, TOOM (Gadhelic),] a mound raised over a grave, cognate with the Lat. _tumulus_; _e.g._ Tuam, Co. Galway, anc. _Tuaim-da-ghualann_ (the tumulus of the two shoulders, from the shape of the ancient sepulchral mound); Toome, on the R. Bann; Tomfinlough (the tumulus of the clear lake); Tomgraney (the tomb of Grian); the Tomies (hills on Lake Killarney); Toomona (the tomb of the bog); Toomyvara, _i.e._ _Tuaim-ui-Mheadra_ (O’Mara’s tomb). [Sidenote: TUAR (Gadhelic),] a bleach-green, Anglicised _toor_; _e.g._ Tooreen (little bleach-green); Tooreenagrena (the sunny little bleach-green); Monatore (the bog of the bleach-green); Tintore, for _Tigh-an-tuair_ (the house at the bleach-green), in Ireland. [Sidenote: TULACH (Gadhelic),] a little hill or mound, and also a measure of land--Anglicised _tulla_, _tullow_, _tully_, or _tulli_; _e.g._ Tullow (the hill); Tullamore (great hill); Tullanavert (the hill of the graves, _ferta_); Tullaghcullion and Tullycullion (of the holly); Kiltullagh (church hill); Tullaghan (little hill); Tallow, Co. Waterford, more correctly _Tealach-an-iarainn_ (the hill of the iron, from the neighbouring iron mines); Tullyallen, on the Boyne, and Tulliallan, in Perthshire, _i.e._ _Tulaigh-álainn_ (the beautiful hill); Tullyard (high hill); Tillicoultry (the hill at the back of the land), in Clackmannan; Tullibardine (the bard’s hill); Tulloch-gorum (the blue hill); Tullybody (the hill of the black cow, _bo dubh_); Tillyfour (the grassy hill, _feoiridh_). _Tully_ or _tilly_, however, is sometimes a corruption of _teaglach_ (a family), as in Tullynessle and Tillymorgan--_v._ W. SKENE, LL.D. [Sidenote: TUNDRA (Tartar),] a mossy flat, the name given to the vast plains on the Arctic Ocean. [Sidenote: TURA (Tartar),] a town or settlement; _e.g._ Tura, a river in Russia, so called by the Tartars because they made a settlement at the place; Tura, also in Hungary; O’Tura (old town); Turinsk (the town on the R. Tura), in Russia. [Sidenote: TWISTLE (Scand.),] a boundary; _e.g._ Twistleton (the town on the boundary); Oswaldtwistle (Oswald’s boundary); Haltwistle (high boundary); Birchtwistle (birch-tree boundary); Ectwistle (oak-tree boundary). U [Sidenote: UAMH (Gadhelic),]