'Beginner' definitions:

Definition of 'beginner'

From: WordNet
noun
Someone new to a field or activity [syn: novice, beginner, tyro, tiro, initiate]
noun
A person who founds or establishes some institution; "George Washington is the father of his country" [syn: founder, beginner, founding father, father]

Definition of 'Beginner'

From: GCIDE
  • Beginner \Be*gin"ner\, n. One who begins or originates anything. Specifically: A young or inexperienced practitioner or student; a tyro. [1913 Webster]
  • A sermon of a new beginner. --Swift. [1913 Webster]