Search Result for "anaclinal": 
Wordnet 3.0

ADJECTIVE (1)

1. of valleys and rivers; progressing in a direction opposite to the dip in surrounding rock strata; 



WordNet (r) 3.0 (2006):

anaclinal
    adj 1: of valleys and rivers; progressing in a direction
           opposite to the dip in surrounding rock strata [ant:
           cataclinal]