an elongate depression of the earth's surface usually between ranges of hills or mountains
valleys
noun(val-ley)
an area drained by a river and its tributaries
valleys
noun(val-ley)
a low point or condition
valleys
plural noun(val-ley)
high and low periods
valleys
noun(val-ley)
an elongated valley formed by the depression of a block of the earth's crust between two faults or groups of faults of approximately parallel orientation