mesarch

[ mez-ahrk, mes-, mee-zahrk, -sahrk ]
/ ˈmɛz ɑrk, ˈmɛs-, ˈmi zɑrk, -sɑrk /

adjective

Botany. (of a primary xylem or root) developing from both the periphery and the center; having the older cells surrounded by the younger cells.
Ecology. (of a sere) originating in a mesic habitat.

Origin of mesarch

First recorded in 1890–95; mes- + -arch

Words nearby mesarch

mesalamine, mesangial nephritis, mesangial proliferative glomerulonephritis, mesangium, mesaortitis, mesarch, mesarteritis, mesatipellic, mesatipellic pelvis, mesaxon, mesc

Example sentences from the Web for mesarch

British Dictionary definitions for mesarch

mesarch
/ (ˈmɛsɑːk) /

adjective

botany (of a xylem strand) having the first-formed xylem surrounded by that formed later, as in fern stems Compare exarch 2, endarch

Word Origin for mesarch

C19: from mes ( o)- + Greek arkhē beginning