What is "hibernacula"

Usage examples of "hibernacula".

The hibernacula were becoming ever more popular despite medical advice that the freezing process probably wouldn't work successfully--and nobody could guarantee an uninterrupted power supply through the sunstorm anyhow, so that the big day might result in an unfortunate defrosting.

And Siobhan had projected gloomily that if things went pear-shaped--if civilization fell apart despite the shield's protection--the hibernacula would most likely serve the starving survivors as cellars of thawing meat.

Much of it was necessarily crude: beneath the London Ark huge hibernacula had been installed to preserve the zygotes of animals, insects, birds, and fish, and the seeds of plants from grasses to pine trees.