win·ter·kill (wĭntər-kĭl)
v. win·ter·killed, win·ter·kill·ing, win·ter·kills
v. tr.
To kill (plants, for example) by exposing to extremely cold winter weather.
v. intr.
To die from exposure to cold winter weather. Used especially of plants.
n.
Death, as of plants, resulting from exposure to winter weather.

[TahlilGaran] American Dictionary ▲