The ditloid "9 i in the ci" stands for "9 inches in the circumference." In ditloids, numbers and letters represent words or phrases, and this particular one refers to the measurement of a circle's circumference.
9 Inch Nails
9 times out of ten
gallons in a firkin ??
This is a Ditloid. The answer is, 9 Number One Hits for Abba
This is a ditloid. The answer is 9 = gallons in a firkin.
9 players on a baseball field
9 square feet in one square yard
The answer to this ditloid is 9 = one over the eight.
"Nine Symphonies Written By Beethoven".
9 Points/Parts of the Law that Possession is
9 stripes in the Greek flag
A Social Security Number has 9 Digits