As a Noun: 1. The act of moving towards the top of something, like a tree, often with some effort or difficulty, and especially if you have to use your hands to help you. English = climb. As a Verb or Adjective: 1. To move towards the top of something, like a tree, often with some effort or difficulty, and especially if you have to use your hands to help you. English = climb, clamber. 2. To climb something very high or steep, such as a cliff or the outside of a building. English = scale.