Search Result for "subvocalizer": 
Wordnet 3.0

NOUN (1)

1. someone who articulates speech without uttering sounds;
[syn: subvocalizer, subvocaliser]



WordNet (r) 3.0 (2006):

subvocalizer
    n 1: someone who articulates speech without uttering sounds
         [syn: subvocalizer, subvocaliser]