bogn.[Ir. & Gael. bog soft, tender, moist: cf. Ir. bogach bog, moor, marsh, Gael. bogan quagmire.]()1. A quagmire filled with decayed moss and other vegetable matter; wet spongy ground where a heavy body is apt to sink; a marsh; a morass.()Appalled with thoughts of bog, or caverned pit,
Of treacherous earth, subsiding where they tread. (R. Jago.)2. A little elevated spot or clump of earth, roots, and grass, in a marsh or swamp.()Bog bean. See Buck bean. -- Bog bumper (bump, to make a loud noise), Bog blitter, Bog bluiter, Bog jumper, the bittern. [Prov.] -- Bog butter, a hydrocarbon of butterlike consistence found in the peat bogs of Ireland. -- Bog earth (Min.), a soil composed for the most part of silex and partially decomposed vegetable fiber. P. Cyc. -- Bog moss. (Bot.) Same as Sphagnum. -- Bog myrtle (Bot.), the sweet gale. -- Bog ore. (Min.) (a) An ore of iron found in boggy or swampy land; a variety of brown iron ore, or limonite. (b) Bog manganese, the hydrated peroxide of manganese. -- Bog rush (Bot.), any rush growing in bogs; saw grass. -- Bog spavin. See under Spavin.()v. t. To sink, as into a bog; to submerge in a bog; to cause to sink and stick, as in mud and mire.()At another time, he was bogged up to the middle in the slough of Lochend. (Sir W. Scott.)