ball
A solid or hollow sphere, or roughly spherical mass.
Other meanings
A quantity of string, thread, etc., wound into a spherical shape.
Homologue or analogue of a disk in the Euclidean plane.
Example sentences
Word history
From Middle English "bal".
Where this comes from
This definition is adapted from “ball” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above, published under CC BY-SA 4.0. This page is published under the same licence.