Ladder
Part of speech: verb
Definition: To ascend a building or wall using a ladder. To develop a ladder as a result of a broken thread
Part of speech: noun
Definition: A frame usually portable, of wood, metal, or rope, for ascent and descent, consisting of two side pieces to which are fastened cross strips or rounds forming steps. That which resembles a ladder in form or use; hence, that by means of which one attains to eminence, e.g. the corporate ladder. length of unravelled fabric in a knitted garment, especially in nylon stockings
Stairs
Part of speech: noun
Definition: a contiguous set of steps connecting two floorsA single step in a staircase.