Meaning of single quotes

sin'gle quotes'

Pronunciation: [key]
  1. (one pair of single quotation marks, written as (" ') and used esp. for a quotation within another quotation): He said, “I told you to say "Open, sesame' when you want to enter the mountain.”
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.