Entry 1 sense Webster, 1913 Leucophyllous /(lū̇*kŏf"ĭl*lŭs [or] lū`kō̇*fĭl"lŭs)/ · Leu·coph·yl·lous · IPA 01 a. Having white or silvery foliage. 1. Having white or silvery foliage.(Bot.)