'Introvert' definitions:

Definition of 'introvert'

From: WordNet
noun
(psychology) a person who tends to shrink from social contacts and to become preoccupied with their own thoughts [ant: extravert, extrovert]
verb
Fold inwards; "some organs can invaginate" [syn: invaginate, introvert]
verb
Turn inside; "He introverted his feelings"

Definition of 'Introvert'

From: GCIDE
  • Introvert \In`tro*vert"\, v. t. [imp. & p. p. Introverted; p. pr. & vb. n. Introverting.] [Pref. intro- + L. vertere, versum, to turn.] [1913 Webster]
  • 1. To turn or bend inward. "Introverted toes." --Cowper. [1913 Webster]
  • 2. To look within; to introspect. --Lew Wallace. [1913 Webster]

Definition of 'Introvert'

From: GCIDE
  • Introvert \In"tro*vert`\, n.
  • 1. A person who is introverted; one concerned predominantly with himself or his own feelings. Contrasted with extrovert. [PJC]
  • 2. A person who is shy. [PJC]
  • 3. (Zool.) A part that can be introverted[1]. [PJC]