HyperDic: keystone

English > 2 senses of the word keystone:
NOUNcognitionkeystone, anchor, mainstay, backbone, linchpin, lynchpina central cohesive source of support and stability
artifactkeystone, key, headstonethe central building block at the top of an arch or vault
keystone > pronunciation
Soundskiy'stow.n
Rhymesacetone ... zone: 126 rhymes with own...
English > keystone: 2 senses > noun 1, cognition
MeaningA central cohesive source of support and stability.
Example "the keystone of campaign reform was the ban on soft money"
Synonymsanchor, mainstay, backbone, linchpin, lynchpin
BroadersupportSomething providing immaterial assistance to a person or cause or interest
Spanishpilar, puntal
Catalanàncora
English > keystone: 2 senses > noun 2, artifact
MeaningThe central building block at the top of an arch or vault.
Synonymskey, headstone
Part ofarch(architecture) a masonry construction (usually curved) for spanning an opening and supporting the weight above it
Narrowerquoin, coign, coigneThe keystone of an arch
Broaderbuilding blockA block of material used in construction work
Spanishpiedra clave
Catalanpedra clau

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