pip·sis·se·wa (p?p-s?s??-wô?, -w?)n. Any of several evergreen plants of the genus Chimaphila in the heath family, especially C. umbellata, having white or pinkish flowers and formerly used as a medicinal herb. Also called prince’s pine.[Perhaps Eastern Abenaki kpi-pskwáhsawe, woods flower, pipsissewa.]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.pipsissewa (p?p?s?s?w?) n (Plants) any of several ericaceous plants of the Asian and American genus Chimaphila, having jagged evergreen leaves and white or pinkish flowers. Also called: wintergreen [C19: from Cree pipisisikweu, literally: it breaks it into pieces, so called because it was believed to be efficacious in treating bladder stones]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014pip?sis?se?wa (p?p?s?s ? w?, -?w?) n., pl. -was. any of several evergreen plants of the genus Chimaphila, esp. C. umbellata, the leaves of which are used medicinally for their tonic, diuretic, and astringent properties. [1780?90, Amer.; perhaps