Meristem
Origin
From the Ancient Greek μεÏιστός (meristos, "divided"). First used German in 1858, by Karl Wilhelm von Nägeli (1817-1891) in his Beiträge zur Wissenschaftlichen Botanik.
Full definition of meristem
Noun
meristem
(plural meristems)- (botany) The plant tissue composed of totipotent cells that allows plant growth.