'xxviii' definitions:

Definition of 'xxviii'

From: WordNet
adjective
Being eight more than twenty [syn: twenty-eight, 28, xxviii]
noun
The cardinal number that is the sum of twenty-seven and one [syn: twenty-eight, 28, XXVIII]

Definition of 'xxviii'

From: GCIDE
  • xxviii \xxviii\, adj. The Roman number representing twenty-eight.
  • Syn: twenty-eight, 28. [WordNet 1.5]