1A port in southeastern Canada, on Lake Ontario, at the head of the St. Lawrence River; population 117,207 (2006)
2The capital and chief port of Jamaica; population 580,000 (est. 2007)
3A historic city in southeastern New York, on the Hudson River; population 22,441 (est. 2008)
We take a look at several popular, though confusing, punctuation marks.