A valley bottom or other hollow which is prone to frost.
More example sentences
- Rickmansworth, a very well know frost hollow, recorded the largest daily temperature range in England when, on 29th August 1936, the temperature climbed from 1.1° C at dawn to 24.9° C within 9 hours!
- For instance, in the mid 19th century, Thoreau observed numerous frost hollows in Concord, Massachusetts, frequently relating their development to the cutting and burning of forest trees.
- You should avoid frost hollows as the genus is subject to damage by late frosts, especially in spring.