Definition of "mountain"

My people hath been lost sheep: their shepherds have caused them to go astray, they have turned them away on the mountains: they have gone from mountain to hill, they have forgotten their restingplace.

1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], Jeremiah 50:6

Wherever a geologist directs his attention in the midst of a scene of mountains, traces of ruin and decay always meet his eye; and the lofty prominences of our globe, supposed to be the most permanent of nature's works, every where display unequivocal marks of the lapse and effects of time.

1807, Joseph Wilson, “Preliminary Observations”, in A History of Mountains, Geographical and Mineralogical, volume 1, London: Nicol, White, Faulders & Asperne, pages xlvi–xlvii

We walk’d together on the crownOf a high mountain which look’d downAfar from its proud natural towersOf rock and forest, on the hills— […]

1829, Edgar Allan Poe, “Tamerlane”, in Al Aaraaf, Tamerlane and Minor Poems

Iraq says the mountain of documentation it has provided to the United Nations shows it is innocent of harbouring weapons of mass destruction. America continues to maintain that it has evidence that this is a pack of lies.

2002 December 9, “A Mountain of Lies?”, in The Economist‎

Five minutes into the game the Black Cats were facing a mountain, partly because of West Brom's newly-found ruthlessness in front of goal but also as a result of the home side's defensive generosity.

2011 October 1, Phil Dawkes, “Sunderland 2 - 2 West Brom”, in BBC Sport‎

Called on Courtenay, with whom I walked to Hampstead Heath, and got into excellent spirits, enjoying fine fresh air; then dined with him tête-a-tête on mutton broth and mackerel and drank mountain and old port moderately.

1785-1789, James Boswell, The English Experiment (diaries)