headstone

Definition of Headstone in English :

1. headstone, key, keystone

the central building block at the top of an arch or vault

2. gravestone, headstone, tombstone

a stone that is used to mark a grave

WordNet Lexical Database for English. Princeton University. 2010.

Headstone

noun

1.

a memorial stone at the head of a grave

2. architecture another name for keystone

noun

1. Rare

a cornerstone

2.

a stone marker placed at the head of a grave

n.

1. A memorial stone set at the head of a grave.

2. also head stone Architecture See keystone.