Jack-go-to-bed-at-noon
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A biannual plant distributed across Europe and North America (Tragopogon pratensis). uncountable
Etymology
Derives from its tendency to close its flowers around midday on sunny days.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.