from
The Collaborative International Dictionary of English v.0.48
Noddy \Nod"dy\, n.; pl. {Noddies}. [Prob. fr. nod to incline the
head, either as in assent, or from drowsiness.]
1. A simpleton; a fool. --L'Estrange.
Syn: tomnoddy.
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2. (Zool.)
(a) Any tern of the genus {Anous}, as {Anous stolidus}.
(b) The arctic fulmar ({Fulmarus glacialis}). Sometimes
also applied to other sea birds.
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3. An old game at cards. --Halliwell.
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4. A small two-wheeled one-horse vehicle.
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5. An inverted pendulum consisting of a short vertical flat
spring which supports a rod having a bob at the top; --
used for detecting and measuring slight horizontal
vibrations of a body to which it is attached.
[1913 Webster]