Mesophloeum

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Mesophloeum \Mes`o*phl[oe]"um\, n. [NL., fr. Gr. me`sos middle +
     floio`s bark.] (Bot.)
     The middle bark of a tree; the green layer of bark, usually
     soon covered by the outer or corky layer, and obliterated.
     [1913 Webster]