Definition of the word Keystone, Meaning of Keystone word :
n. - The central or topmost stone of an arch. This in some styles is made different in size from the other voussoirs, or projects, or is decorated with carving. See Illust. of Arch.
There are total 8 letters in Keystone, Starting with K and ending with E.
Total 153 words created by multiple letters combination of Keystone in English Dictionary.