Appalled with thoughts of bog, or caverned pit,
Of treacherous earth, subsiding where they tread.
R. Jago.

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.

At another time, he was bogged up to the middle in the slough of Lochend.
Sir W. Scott.