Definition of "fifth part" []

• One part in five equal parts (noun)

WordNet. Princeton University. 2010.

• "But if the prosecutor do not obtain the fifth part of the votes, let him, if he be of the first dass, pay twelve minae, and eight if he be of the second class, and six if he be of the third dass, and two minae if he be of the fourth class."
• "The men, who were entirely destitute, and, in a sense, exiles, he reinstates in their possessions, on the most equitable condition, that they should pay a fifth part of the produce to the king."
• "From data, which may found a tolerable conjecture, we suppose the highest peak to be about 4000 feet perpendicular, which is not a fifth part of the height of the mountains of South America, nor one third of the height which would be necessary in our latitude to preserve ice in the open air unmelted through the year."