"fourths" in the noun sense
1. fourth
following the third position number four in a countable series
2. one-fourth, fourth, one-quarter, quarter, fourth part, twenty-five percent, quartern
one of four equal parts
"a quarter of a pound"
3. fourth
the musical interval between one note and another four notes away from it
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License