1 N-COUNT （英国英语）底楼平面图；（美国英语）楼层平面图 In British English, a ground plan is a plan of the ground floor of a building. In American English, a ground plan is a plan of any floor of a building. （英国英语）底楼平面图；（美国英语）楼层平面图

2 N-COUNT 初步计划；大纲 A ground plan is a basic plan for future action. 初步计划；大纲