பொருள் : The height of the ground on which something stands.
எடுத்துக்காட்டு :
The base of the tower was below grade.
ஒத்த சொற்கள் : grade
பொருள் : The floor of a building that is at or nearest to the level of the ground around the building.
ஒத்த சொற்கள் : first floor, ground floor