[co.le.o.rhi.za] n, pl -zae [NL, fr. Gk koleon + NL -rhiza] (ca. 1866): the sheath investing the hypocotyl in some monocotyledonous plants through which the roots burst
COLEORHIZA
Meaning of COLEORHIZA in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012