from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The percent; portion of a total of 100.
- n. Used as a wildcard, to stand for zero or more characters.
- n. Used as the symbol for the modulus, placed between two numbers, to get the remainder of the division of those numbers.
From o/c, from No/c, an abbreviation of Italian numero per cento "number per hundred". (Wiktionary)