Entry 1 sense Webster, 1913 Insphere · In·sphere · IPA 01 v. t. To place in, or as in, an orb a sphere. Cf. Ensphere. imp. & p. p. Insphered; p. pr. & vb. n. Insphering 1. To place in, or as in, an orb a sphere. Cf. Ensphere. See: Ensphere “Bright aërial spirits live insphered In regions mild of calm and serene air.” — Milton.