A kind of lightweight plastic raincoat that can be folded up into a small pack when not required.
- ‘The pacamac is attached to a small case made of the suitcase material into which it folds for storage.’
- ‘The Pacamac was in vogue in the 1960s.’
1950s: phonetic respelling of pack a mac.
We take a look at several popular, though confusing, punctuation marks.