Entry 1 sense Webster, 1913 Dahlin /(dä"lĭn)/ · Dah·lin · IPA /dˈɑlɪn/ 01 n. A variety of starch extracted from the dahlia; -- called also inulin. See Inulin. 1. A variety of starch extracted from the dahlia; -- called also inulin. See Inulin.(Chem.) Also: inulin See: Inulin