2. The fundamental fact or idea; that which gives the key; as, the keynote of a policy or a sermon.
KEYSEAT
Key"seat`, v. t.
Defn: To form a key seat, as by cutting. See Key seat, under Key.
KEYSTONE
Key"stone`, n. (Arch.)
Defn: 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. Keystone State, the State of Pennsylvania; — so called from its having been the central State of the Union at the formation of the Constitution.
KEYSTONE STATE
Key"stone` State.
Defn: Pennsylvania; — a nickname alluding to its having been the central one of the 13 original United States.
KEY TONE
Key" tone`. (Mus.)
Defn: See Keynote.
KEYWAY
Key"way`, n.