n.
Pronunciation: ' sig-n ə t
Function: noun
Etymology: Middle English small seal, signet ring, from Anglo-French, diminutive of signe sign, seal
Date: 14th century
1 : a seal used officially to give personal authority to a document in lieu of signature
2 : the impression made by or as if by a signet
3 : a small intaglio seal (as in a finger ring)