The cardinal number that is the sum of twenty-three and one(noun)
Being four more than twenty(adjective)
WordNet. Princeton University. 2010.
Use "xxiv" in a sentence
"It is the formative, creative power of the world (xxiv, 3 sqq.), yet is itself created (i, 9; also in Greek: xxiv, 9), and is nowhere treated as a distinct, subsisting Divine"