Definition of "birthroot" []

• See trillium. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "So far the comments haven't mentioned the *other* lambs-quarters, Trillium erectum, also known colloquially as bethroot, birthroot, wakerobin, Indian balm, Indian shamrock, squaw root, and ground lily."