ALL meanings of quarter-hour
quar·ter-hour
Q q - noun quarter-hour a period of 15 minutes. 1
- noun quarter-hour a point 15 minutes after or before the hour. 1
- noun quarter-hour a period of 15 minutes 0
- noun quarter-hour any of the points on the face of a timepiece that mark 15 minutes before or after the hour, and sometimes 30 minutes after 0
- noun quarter-hour fifteen minutes 0
- noun quarter-hour the point marking the first quarter or third quarter of an hour 0