Medical Definition of pokeweed
: a poisonous American perennial herb (Phytolacca americana of the family Phytolaccaceae, the pokeweed family) that has stalks of white flowers, dark purple juicy berries, and a root and from which is obtained a mitogen that has been used to stimulate lymphocyte proliferation
Seen and Heard
What made you want to look up pokeweed? Please tell us where you read or heard it (including the quote, if possible).