Lexic.us

Definition of Keystone

1. Noun. A central cohesive source of support and stability. "He is the linchpin of this firm"

2. Noun. The central building block at the top of an arch or vault.

Definition of Keystone

1. 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.

Definition of Keystone

1. Noun. (architecture) The top stone of an arch. ¹

2. Noun. A native or resident of the American state of Pennsylvania. ¹

¹ Source: wiktionary.com

Definition of Keystone

1. the central stone of an arch [n -S]

Lexicographical Neighbors of Keystone

keyseated keyseating keyseats keysender keysenders keyserver keyservers keyset keysets keysmith

keysmiths keyspace keyspaces keyster keysters keystone (current term) keystone corner keystone pricing keystone species keystoned

keystoneite keystones keystream keystreams keystroke keystroked keystrokes keystroking keytar keytarist

Other Resources: