Search Result for "foothill": 
Wordnet 3.0

NOUN (1)

1. a relatively low hill on the lower slope of a mountain; 



The Collaborative International Dictionary of English v.0.48:

Foothill \Foot"hill`\, n.
   A low hill at the foot of higher hills or mountains.
   [1913 Webster]


WordNet (r) 3.0 (2006):

foothill
    n 1: a relatively low hill on the lower slope of a mountain