pre‧ci‧pice /ˈpresəpəs, ˈpresɪpəs/ 
 noun [countable][
Date: 1500-1600; 
Language: French; 
Origin: Latin praecipitium, from praeceps 'headfirst', from caput 'head']
1.  a very steep side of a high rock, mountain, or cliff: 
 A loose rock tumbled over the precipice.2.  a dangerous situation in which something very bad could happen: 
 The stock market is on the edge of a precipice.  [TahlilGaran] Dictionary of Contemporary English ▲
 mountain a very high hill: 
 the highest mountain in Austriahill an area of land that is higher than the land around it, which is like a mountain but smaller and usually has a rounded top: 
 We went for a walk in the hills. 
 The house is surrounded by woods, farmland and gentle hills.Mount (
also Mt written abbreviation) used in the names of mountains. Don’t say ‘Fuji Mountain’ – say 
‘Mount Fuji’: 
 Mount Everestcliff the steep side of an area of land, often next to the sea: 
 the white cliffs of Doverprecipice especially literary a very steep and dangerous cliff: 
 They were standing on the edge of a precipice.crag a high steep rock or mountain: 
 An eagle sailed over the high crags.ridge a long narrow area of high ground, especially at the top of a mountain: 
 I could see a group of climbers high up on a ridge.knoll a small round hill: 
 a grassy knollvolcano a mountain with a large hole at the top, through which 
lava (=hot liquid rock) is sometimes forced out: 
 the eruption of a volcanosummit the very highest point of a mountain: 
 the summit of Mt Everestpeak especially literary the top of a mountain: 
 the snow-covered peaks of the Himalayas 
 a distant peakrange/chain a group of mountains or hills arranged in a line: 
 the mountain range that is part of the border between Norway and Swedenfoothills a group of smaller hills below a range of high mountains: 
 the Sierra foothills [TahlilGaran] English Thesaurus ▲