a narrow platform on which to stand or brace the feet
a vertical board or panel forming the foot of a bedstead
footboard详细解释
foot.board n.（名词）An upright board across the foot of a bedstead.床踏板：穿过床架下端直立的板A board or small raised platform on which to support or rest the feet, as in a carriage.脚踏板：宽或小且凸出的供人们休息脚的踏板，如在四轮马车中
