(nautical) Having nine masts.

All the way; with everything done completely or thoroughly.

(And) everything; often used, like etc., to finish out a list.

Synonym of cloud nine.

(idiomatic) Something that generates interest for a limited time and is then abandoned.

Alternative spelling of 9-1-1

plural of nine-point circle

plural of nine points circle

(geometry) That circle which passes through the feet of the altitudes of a given triangle.

Alternative spelling of nine-point circle