Entry 5 senses · 3 variants Webster, 1913 Galilean /gălˌ-əl-ē'-ən/ · Gal·i·le·an · IPA /ɡˌæləlˈiːən/ a. a. n. 01 a. Of or pertaining to Galileo; as, the Galilean telescope. See Telescope. 1. Of or pertaining to Galileo; as, the Galilean telescope. See Telescope. See: Telescope 02 a. Of or relating to Galilee. 1. Of or relating to Galilee. 03 n. A native or inhabitant of Galilee, the northern province of Palestine under the Romans. 1. A native or inhabitant of Galilee, the northern province of Palestine under the Romans. 2. One of the party among the Jews, who opposed the payment of tribute to the Romans; -- called also Gaulonite.(Jewish Hist.) Also: Gaulonite 3. A Christian in general; -- used as a term of reproach by Muslims and Pagans.