Webster's Revised Unabridged Dictionary · 1913

bog

bog (bog) , noun

[Ir. & Gael. bog soft, tender, moist: compare 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. [Local, United States]
Collocations (9)
Bog bean , See Buck bean.
Bog bumper or Bog blitter or Bog bluiter or Bog jumper , the bittern. [Prov.]
Bog butter , a hydrocarbon of butterlike consistence found in the peat bogs of Ireland.
Bog earth (Mineralogy) , a soil composed for the most part of silex and partially decomposed vegetable fiber. — P. Cyc
Bog moss (Botany) , Same as Sphagnum.
Bog myrtle (Botany) , the sweet gale.
Bog ore (Mineralogy) , (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 (Botany) , any rush growing in bogs; saw grass.
Bog spavin , See under Spavin.

Bog ({not transcribed}) , transitive verb

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