mestome
noun
mes·tome
ˈmeˌstōm
variants or less commonly mestom
-täm
plural -s
of a vascular plant
: the conducting tissues comprising leptome and hadrome compare stereome
Word History
Etymology
German mestom, from Greek mestos full + German -om -ome; akin to Greek medea, mezea, mēdea, plural, male genitals, Middle Irish mess acorns, Welsh mes, plural, acorns, and perhaps to Middle Irish mess fosterling