overwinter

over- +‎ winter

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overwinter (third-person singular simple present overwinters, present participle overwintering, simple past and past participle overwintered)

1. (transitive) To keep or preserve for the winter.

   It is best to overwinter tender plants indoors.

   • 2014 April 8, Helen Yemm, “Thorny problems: How can I revive a forsythia hedge? [print version 5 April 2014, p. G9]”, in The Daily Telegraph (Gardening)‎, London:

     We overwinter our blueberry bushes in an unheated greenhouse, but when re-tubbed this year they will be too big to move. What are their chances of surviving winter outside?

2. (intransitive) To spend the winter (in a particular place).

   Insects may overwinter in fallen fruit if it is not removed.

• oversummer

• winterover