staircase
several steps connected in a stair pattern a handrail along one side a banister along the other side a landing at the top or bottom of the staircase a railing or balustrade along the steps a newel post at the base or top of the stairs a tread and riser to form each step
staircase which has several steps connected in a stair pattern staircase which is a handrail along one side staircase which is a banister along the other side staircase which is a landing at the top or bottom of the staircase staircase which is a railing or balustrade along the steps staircase which is a newel post at the base or top of the stairs staircase which is a tread and riser to form each step