Entry 2 senses Webster, 1913 Phalanstery · Phal·an·ster·y · IPA /ˈfælənˌstɜɹi/ 01 n. An association or community organized on the plan of Fourier. See Fourierism. pl. -ies ((#)) 1. An association or community organized on the plan of Fourier. See Fourierism. See: Fourierism 2. The dwelling house of a Fourierite community.