any of various often hairy plants of the genus Lithospermum, of the borage family, usually bearing white or yellowish flowers and smooth, white, stony nutlets.
Origin of gromwell
1275–1325; Middle English gromil < Old French, equivalent to gro- (< ?) + mil millet < Latin milium
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Word Origin for gromwell
C13: from Old French gromil, from gres sandstone + mil millet, from Latin milium
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012