Wordnet 3.0
NOUN (1)
1. 
 English courtier (a favorite of Elizabeth I) who tried to colonize Virginia; 
 introduced potatoes and tobacco to England (1552-1618); 
[syn: Raleigh, Walter Raleigh, Sir Walter Raleigh, Ralegh, Walter Ralegh, Sir Walter Ralegh]
WordNet (r) 3.0 (2006):
Sir Walter Ralegh
    n 1: English courtier (a favorite of Elizabeth I) who tried to
         colonize Virginia; introduced potatoes and tobacco to
         England (1552-1618) [syn: Raleigh, Walter Raleigh, Sir
         Walter Raleigh, Ralegh, Walter Ralegh, Sir Walter
         Ralegh]