'Eightieth' definitions:
Definition of 'eightieth'
From: WordNet
adjective
The ordinal number of eighty in counting order [syn: eightieth, 80th]
noun
Position 80 in a countable series of things
Definition of 'Eightieth'
From: GCIDE
- Eightieth \Eight"i*eth\, a. [From Eighty.]
- 1. The next in order after seventy-ninth. [1913 Webster]
- 2. Consisting of one of eighty equal parts or divisions. [1913 Webster]
Definition of 'Eightieth'
From: GCIDE
- Eightieth \Eight"i*eth\, n. The quotient of a unit divided by eighty; one of eighty equal parts. [1913 Webster]