— perennation , n.
/per"euh nayt', peuh ren"ayt/ , v.i. , perennated, perennating . Bot.
to survive from season to season for an indefinite number of years.
[ 1615-25; perennatus, ptp. of perennare to continue for a long time, deriv. of perennis; see PERENNIAL, -ATE 1 ]