mountaineer

mastery
UK /ˌmaʊn.tɪnˈɪə̯(ɹ)/ US /ˌmaʊn.tɪnˈɪɹ/nounverb

card 1 of 10 · context meaning

Which meaning of 'mountaineer' is used in this sentence?

He sat up and shook his ears once or twice, and then sprang lightly off the window-sill and began to mountaineer about the contents of the garret.