Wordnet 3.0
NOUN (1)
1.
a North American river;
rises in southwestern Canada and flows southward across Washington to form the border between Washington and Oregon before emptying into the Pacific;
known for its salmon runs in the spring;
[syn: Columbia, Columbia River]
WordNet (r) 3.0 (2006):
Columbia River
n 1: a North American river; rises in southwestern Canada and
flows southward across Washington to form the border
between Washington and Oregon before emptying into the
Pacific; known for its salmon runs in the spring [syn:
Columbia, Columbia River]