What is a sharp or steep declivity or slope. [Colloq.] To get the hang of, to learn the method or arrangement of; hence, to become accustomed to. [Colloq.] called?

hang — A sharp or steep declivity or slope. [Colloq.] To get the hang of, to learn the method or arrangement of; hence, to become accustomed to. [Colloq.]. (Webster's 1913.)