опора meaning in English

backbone [backbones]▼(any fundamental support, structure, or infrastructure)
noun
[UK: ˈbæk.bəʊn] [US: ˈbækˌboʊn]

bulwark▼(defense or safeguard)
noun
[UK: ˈbʊl.wək] [US: ˈbʊl.wərk]

buttress [buttresses]▼(anything that serves to support something)
noun
[UK: ˈbʌ.trəs] [US: ˈbʌ.trəs]

crutch [crutches]▼(something that supports)
noun
[UK: krʌtʃ] [US: ˈkrətʃ]

foothold [footholds]▼(a solid grip with the feet)
noun
[UK: ˈfʊt.həʊld] [US: ˈfʊthoʊld]

footing [footings]▼(a ground for the foot)
noun
[UK: ˈfʊt.ɪŋ] [US: ˈfʊt.ɪŋ]

mainstay [mainstays]▼(chief support)
noun
[UK: ˈmeɪn.steɪ] [US: ˈmeɪn.ˌste]

pier [piers]▼(structure supporting the junction between two spans of a bridge)
noun
[UK: pɪə(r)] [US: ˈpɪr]

rock [rocks]▼(something strong, stable, and dependable)
noun
[UK: rɒk] [US: ˈrɑːk]

stay [stays]▼(prop, support)
noun
[UK: steɪ] [US: ˈsteɪ]

push-up [push-ups]▼(exercise performed by resting on one's toes and hands and pushing one's weight off the floor)
noun
[UK: ˈpʊ.ˈʃəp] [US: ˈpʊ.ˈʃəp]