The Collaborative International Dictionary
Endophloeum
Endophloeum \En`do*phl[oe]"um\ ([e^]n`d[=o]*fl[=e]"[u^]m), n. [NL., fr. Gr. 'e`ndon within + floio`s bark.] (Bot.) The inner layer of the bark of trees. [1913 Webster] ||
Wiktionary
endophloeum
n. (context botany English) The inner layer of the bark of a tree.