Search Result for "glass ceiling":
Wordnet 3.0

NOUN (1)

1. a ceiling based on attitudinal or organizational bias in the work force that prevents minorities and women from advancing to leadership positions; 



WordNet (r) 3.0 (2006):

glass ceiling
    n 1: a ceiling based on attitudinal or organizational bias in
         the work force that prevents minorities and women from
         advancing to leadership positions