The painter used a guideline to keep the lettering straight on the sign.
I used a yardstick as a guideline to cut a straight line across the fabric.
WordNet 3.0 Sense Numbers: 1
NOTE: specifies a course of action, plan, rule of thumb
The school has set out stricter guidelines for the dress code this year.
The president will follow the guidelines set out in the report.
John lets the Golden Rule be his guideline in dealing with others.
The American Dental Association has set forth new guidelines for dental hygiene.
WordNet 3.0 Sense Numbers: 2, 3