Mesophyllum

1 definition found

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

  Mesophyllum \Mes`o*phyl"lum\, n. [NL., fr. Gr. me`sos middle +
     fy`llon leaf.] (Bot.)
     The parenchyma of a leaf between the skin of the two
     surfaces. --Gray.
     [1913 Webster]