Noun: hibernaculum (hibernacula) ,hI-bu(r)'nak-yu-lum
- A shelter used by an animal for hibernation
"Bats often use caves as hibernacula during winter"
- (botany) a protective structure in which a plant bud passes the winter
"The hibernaculum helps protect the plant's growing point from harsh winter conditions"
Derived forms: hibernacula
Encyclopedia: Hibernaculum