WordNet sense 1 (an object with a spherical shape):

globe, orb

WordNet sense 2 (United States comedienne best known as the star of a popular television program (1911-1989)):

Lucille Ball

WordNet sense 3 (a compact mass):

chunk, clod, clump, glob, lump

WordNet sense 4 (a lavish dance requiring formal attire):

formal

WordNet sense 5 (one of the two male reproductive glands that produce spermatozoa and secrete androgens):

egg, nut, testicle, testis, ballock, bollock, orchis

WordNet sense 6 (a solid projectile that is shot by a musket):

musket ball