noun a simpleton; a fool.
2. noddy ·noun an old game at cards.
3. noddy ·noun a small two-wheeled one-horse vehicle.
4. noddy ·noun any tern of the genus anous, as a. stolidus.
5. noddy ·noun the arctic fulmar (fulmarus glacialis). sometimes also applied to other sea birds.
6. noddy ·noun 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.