墓石,基石
Headstone \Head"stone`\, n.
1. The principal stone in a foundation; the chief or corner
stone. --Ps. cxviii. 22.
2. The stone at the head of a grave.
headstone
n 1: the central building block at the top of an arch or vault
[syn: {keystone}, {key}]
2: a stone that is used to mark a grave [syn: {gravestone}, {tombstone}]